21072907944

素因数分解:

$2^3\times 3^3\times {\mathrm{11}}^2\times {\mathrm{31}}^2\times {\mathrm{839}}^1$

素因数の和:938

約数の個数: 288

約数和(自身を含む): 66562776000

約数和(自身を除く): 45489868056

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 27, 31, 33, 36, 44, 54, 62, 66, 72, 88, 93, 99, 108, 121, 124, 132, 186, 198, 216, 242, 248, 264, 279, 297, 341, 363, 372, 396, 484, 558, 594, 682, 726, 744, 792, 837, 839, 961, 968, 1023, 1089, 1116, 1188, 1364, 1452, 1674, 1678, 1922, 2046, 2178, 2232, 2376, 2517, 2728, 2883, 2904, 3069, 3267, 3348, 3356, 3751, 3844, 4092, 4356, 5034, 5766, 6138, 6534, 6696, 6712, 7502, 7551, 7688, 8184, 8649, 8712, 9207, 9229, 10068, 10571, 11253, 11532, 12276, 13068, 15004, 15102, 17298, 18414, 18458, 20136, 21142, 22506, 22653, 23064, 24552, 25947, 26009, 26136, 27687, 30008, 30204, 31713, 33759, 34596, 36828, 36916, 42284, 45012, 45306, 51894, 52018, 55374, 60408, 63426, 67518, 69192, 73656, 73832, 78027, 83061, 84568, 90024, 90612, 95139, 101277, 101519, 103788, 104036, 110748, 116281, 126852, 135036, 156054, 166122, 181224, 190278, 202554, 203038, 207576, 208072, 221496, 232562, 234081, 249183, 253704, 270072, 285417, 286099, 304557, 312108, 332244, 348843, 380556, 405108, 406076, 465124, 468162, 498366, 570834, 572198, 609114, 624216, 664488, 697686, 702243, 761112, 806279, 810216, 812152, 858297, 913671, 930248, 936324, 996732, 1046529, 1141668, 1144396, 1218228, 1395372, 1404486, 1612558, 1716594, 1827342, 1872648, 1993464, 2093058, 2283336, 2288792, 2418837, 2436456, 2574891, 2741013, 2790744, 2808972, 3139587, 3147089, 3225116, 3433188, 3654684, 4186116, 4837674, 5149782, 5482026, 5617944, 6279174, 6294178, 6450232, 6866376, 7256511, 7309368, 7724673, 8372232, 8869069, 9441267, 9675348, 10299564, 10964052, 12558348, 12588356, 14513022, 15449346, 17738138, 18882534, 19350696, 20599128, 21769533, 21928104, 25116696, 25176712, 26607207, 28323801, 29026044, 30898692, 35476276, 37765068, 43539066, 53214414, 56647602, 58052088, 61797384, 70952552, 75530136, 79821621, 84971403, 87078132, 97559759, 106428828, 113295204, 159643242, 169942806, 174156264, 195119518, 212857656, 226590408, 239464863, 292679277, 319286484, 339885612, 390239036, 478929726, 585358554, 638572968, 679771224, 780478072, 878037831, 957859452, 1170717108, 1756075662, 1915718904, 2341434216, 2634113493, 3512151324, 5268226986, 7024302648, 10536453972, 21072907944]

約数ペア:

[(1, 21072907944), (2, 10536453972), (3, 7024302648), (4, 5268226986), (6, 3512151324), (8, 2634113493), (9, 2341434216), (11, 1915718904), (12, 1756075662), (18, 1170717108), (22, 957859452), (24, 878037831), (27, 780478072), (31, 679771224), (33, 638572968), (36, 585358554), (44, 478929726), (54, 390239036), (62, 339885612), (66, 319286484), (72, 292679277), (88, 239464863), (93, 226590408), (99, 212857656), (108, 195119518), (121, 174156264), (124, 169942806), (132, 159643242), (186, 113295204), (198, 106428828), (216, 97559759), (242, 87078132), (248, 84971403), (264, 79821621), (279, 75530136), (297, 70952552), (341, 61797384), (363, 58052088), (372, 56647602), (396, 53214414), (484, 43539066), (558, 37765068), (594, 35476276), (682, 30898692), (726, 29026044), (744, 28323801), (792, 26607207), (837, 25176712), (839, 25116696), (961, 21928104), (968, 21769533), (1023, 20599128), (1089, 19350696), (1116, 18882534), (1188, 17738138), (1364, 15449346), (1452, 14513022), (1674, 12588356), (1678, 12558348), (1922, 10964052), (2046, 10299564), (2178, 9675348), (2232, 9441267), (2376, 8869069), (2517, 8372232), (2728, 7724673), (2883, 7309368), (2904, 7256511), (3069, 6866376), (3267, 6450232), (3348, 6294178), (3356, 6279174), (3751, 5617944), (3844, 5482026), (4092, 5149782), (4356, 4837674), (5034, 4186116), (5766, 3654684), (6138, 3433188), (6534, 3225116), (6696, 3147089), (6712, 3139587), (7502, 2808972), (7551, 2790744), (7688, 2741013), (8184, 2574891), (8649, 2436456), (8712, 2418837), (9207, 2288792), (9229, 2283336), (10068, 2093058), (10571, 1993464), (11253, 1872648), (11532, 1827342), (12276, 1716594), (13068, 1612558), (15004, 1404486), (15102, 1395372), (17298, 1218228), (18414, 1144396), (18458, 1141668), (20136, 1046529), (21142, 996732), (22506, 936324), (22653, 930248), (23064, 913671), (24552, 858297), (25947, 812152), (26009, 810216), (26136, 806279), (27687, 761112), (30008, 702243), (30204, 697686), (31713, 664488), (33759, 624216), (34596, 609114), (36828, 572198), (36916, 570834), (42284, 498366), (45012, 468162), (45306, 465124), (51894, 406076), (52018, 405108), (55374, 380556), (60408, 348843), (63426, 332244), (67518, 312108), (69192, 304557), (73656, 286099), (73832, 285417), (78027, 270072), (83061, 253704), (84568, 249183), (90024, 234081), (90612, 232562), (95139, 221496), (101277, 208072), (101519, 207576), (103788, 203038), (104036, 202554), (110748, 190278), (116281, 181224), (126852, 166122), (135036, 156054)]