21000984030

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{211}}^1\times {\mathrm{877}}^1$

素因数の和:1211

約数の個数: 192

約数和(自身を含む): 59758590528

約数和(自身を除く): 38757606498

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 97, 117, 130, 194, 195, 211, 234, 291, 390, 422, 485, 582, 585, 633, 873, 877, 970, 1055, 1170, 1261, 1266, 1455, 1746, 1754, 1899, 2110, 2522, 2631, 2743, 2910, 3165, 3783, 3798, 4365, 4385, 5262, 5486, 6305, 6330, 7566, 7893, 8229, 8730, 8770, 9495, 11349, 11401, 12610, 13155, 13715, 15786, 16458, 18915, 18990, 20467, 22698, 22802, 24687, 26310, 27430, 34203, 37830, 39465, 40934, 41145, 49374, 56745, 57005, 61401, 68406, 78930, 82290, 85069, 102335, 102609, 113490, 114010, 122802, 123435, 170138, 171015, 184203, 185047, 204670, 205218, 246870, 255207, 266071, 307005, 342030, 368406, 370094, 425345, 510414, 513045, 532142, 555141, 614010, 765621, 798213, 850690, 921015, 925235, 1026090, 1105897, 1110282, 1276035, 1330355, 1531242, 1596426, 1665423, 1842030, 1850470, 2211794, 2394639, 2405611, 2552070, 2660710, 2775705, 3317691, 3330846, 3828105, 3991065, 4789278, 4811222, 5529485, 5551410, 6635382, 7216833, 7656210, 7982130, 8327115, 9953073, 11058970, 11973195, 12028055, 14433666, 16588455, 16654230, 17949559, 19906146, 21650499, 23946390, 24056110, 33176910, 35899118, 36084165, 43300998, 49765365, 53848677, 72168330, 89747795, 99530730, 107697354, 108252495, 161546031, 179495590, 216504990, 233344267, 269243385, 323092062, 466688534, 538486770, 700032801, 807730155, 1166721335, 1400065602, 1615460310, 2100098403, 2333442670, 3500164005, 4200196806, 7000328010, 10500492015, 21000984030]

約数ペア:

[(1, 21000984030), (2, 10500492015), (3, 7000328010), (5, 4200196806), (6, 3500164005), (9, 2333442670), (10, 2100098403), (13, 1615460310), (15, 1400065602), (18, 1166721335), (26, 807730155), (30, 700032801), (39, 538486770), (45, 466688534), (65, 323092062), (78, 269243385), (90, 233344267), (97, 216504990), (117, 179495590), (130, 161546031), (194, 108252495), (195, 107697354), (211, 99530730), (234, 89747795), (291, 72168330), (390, 53848677), (422, 49765365), (485, 43300998), (582, 36084165), (585, 35899118), (633, 33176910), (873, 24056110), (877, 23946390), (970, 21650499), (1055, 19906146), (1170, 17949559), (1261, 16654230), (1266, 16588455), (1455, 14433666), (1746, 12028055), (1754, 11973195), (1899, 11058970), (2110, 9953073), (2522, 8327115), (2631, 7982130), (2743, 7656210), (2910, 7216833), (3165, 6635382), (3783, 5551410), (3798, 5529485), (4365, 4811222), (4385, 4789278), (5262, 3991065), (5486, 3828105), (6305, 3330846), (6330, 3317691), (7566, 2775705), (7893, 2660710), (8229, 2552070), (8730, 2405611), (8770, 2394639), (9495, 2211794), (11349, 1850470), (11401, 1842030), (12610, 1665423), (13155, 1596426), (13715, 1531242), (15786, 1330355), (16458, 1276035), (18915, 1110282), (18990, 1105897), (20467, 1026090), (22698, 925235), (22802, 921015), (24687, 850690), (26310, 798213), (27430, 765621), (34203, 614010), (37830, 555141), (39465, 532142), (40934, 513045), (41145, 510414), (49374, 425345), (56745, 370094), (57005, 368406), (61401, 342030), (68406, 307005), (78930, 266071), (82290, 255207), (85069, 246870), (102335, 205218), (102609, 204670), (113490, 185047), (114010, 184203), (122802, 171015), (123435, 170138)]