21542825412

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^3\times {\mathrm{53}}^1\times {\mathrm{379}}^1$

素因数の和:535

約数の個数: 144

約数和(自身を含む): 57483578880

約数和(自身を除く): 35940753468

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 53, 62, 93, 106, 124, 159, 186, 212, 279, 318, 372, 379, 477, 558, 636, 758, 954, 961, 1116, 1137, 1516, 1643, 1908, 1922, 2274, 2883, 3286, 3411, 3844, 4548, 4929, 5766, 6572, 6822, 8649, 9858, 11532, 11749, 13644, 14787, 17298, 19716, 20087, 23498, 29574, 29791, 34596, 35247, 40174, 46996, 50933, 59148, 59582, 60261, 70494, 80348, 89373, 101866, 105741, 119164, 120522, 140988, 152799, 178746, 180783, 203732, 211482, 241044, 268119, 305598, 357492, 361566, 364219, 422964, 458397, 536238, 611196, 622697, 723132, 728438, 916794, 1072476, 1092657, 1245394, 1456876, 1578923, 1833588, 1868091, 2185314, 2490788, 3157846, 3277971, 3736182, 4370628, 4736769, 5604273, 6315692, 6555942, 7472364, 9473538, 11208546, 11290789, 13111884, 14210307, 18947076, 19303607, 22417092, 22581578, 28420614, 33872367, 38607214, 45163156, 56841228, 57910821, 67744734, 77214428, 101617101, 115821642, 135489468, 173732463, 203234202, 231643284, 347464926, 406468404, 598411817, 694929852, 1196823634, 1795235451, 2393647268, 3590470902, 5385706353, 7180941804, 10771412706, 21542825412]

約数ペア:

[(1, 21542825412), (2, 10771412706), (3, 7180941804), (4, 5385706353), (6, 3590470902), (9, 2393647268), (12, 1795235451), (18, 1196823634), (31, 694929852), (36, 598411817), (53, 406468404), (62, 347464926), (93, 231643284), (106, 203234202), (124, 173732463), (159, 135489468), (186, 115821642), (212, 101617101), (279, 77214428), (318, 67744734), (372, 57910821), (379, 56841228), (477, 45163156), (558, 38607214), (636, 33872367), (758, 28420614), (954, 22581578), (961, 22417092), (1116, 19303607), (1137, 18947076), (1516, 14210307), (1643, 13111884), (1908, 11290789), (1922, 11208546), (2274, 9473538), (2883, 7472364), (3286, 6555942), (3411, 6315692), (3844, 5604273), (4548, 4736769), (4929, 4370628), (5766, 3736182), (6572, 3277971), (6822, 3157846), (8649, 2490788), (9858, 2185314), (11532, 1868091), (11749, 1833588), (13644, 1578923), (14787, 1456876), (17298, 1245394), (19716, 1092657), (20087, 1072476), (23498, 916794), (29574, 728438), (29791, 723132), (34596, 622697), (35247, 611196), (40174, 536238), (46996, 458397), (50933, 422964), (59148, 364219), (59582, 361566), (60261, 357492), (70494, 305598), (80348, 268119), (89373, 241044), (101866, 211482), (105741, 203732), (119164, 180783), (120522, 178746), (140988, 152799)]