21776508

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:152

約数の個数: 144

約数和(自身を含む): 65228800

約数和(自身を除く): 43452292

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 19, 26, 31, 36, 38, 39, 52, 57, 62, 76, 78, 79, 93, 114, 117, 124, 156, 158, 171, 186, 228, 234, 237, 247, 279, 316, 342, 372, 403, 468, 474, 494, 558, 589, 684, 711, 741, 806, 948, 988, 1027, 1116, 1178, 1209, 1422, 1482, 1501, 1612, 1767, 2054, 2223, 2356, 2418, 2449, 2844, 2964, 3002, 3081, 3534, 3627, 4108, 4446, 4503, 4836, 4898, 5301, 6004, 6162, 7068, 7254, 7347, 7657, 8892, 9006, 9243, 9796, 10602, 12324, 13509, 14508, 14694, 15314, 18012, 18486, 19513, 21204, 22041, 22971, 27018, 29388, 30628, 31837, 36972, 39026, 44082, 45942, 46531, 54036, 58539, 63674, 68913, 78052, 88164, 91884, 93062, 95511, 117078, 127348, 137826, 139593, 175617, 186124, 191022, 234156, 275652, 279186, 286533, 351234, 382044, 418779, 558372, 573066, 604903, 702468, 837558, 1146132, 1209806, 1675116, 1814709, 2419612, 3629418, 5444127, 7258836, 10888254, 21776508]

約数ペア:

[(1, 21776508), (2, 10888254), (3, 7258836), (4, 5444127), (6, 3629418), (9, 2419612), (12, 1814709), (13, 1675116), (18, 1209806), (19, 1146132), (26, 837558), (31, 702468), (36, 604903), (38, 573066), (39, 558372), (52, 418779), (57, 382044), (62, 351234), (76, 286533), (78, 279186), (79, 275652), (93, 234156), (114, 191022), (117, 186124), (124, 175617), (156, 139593), (158, 137826), (171, 127348), (186, 117078), (228, 95511), (234, 93062), (237, 91884), (247, 88164), (279, 78052), (316, 68913), (342, 63674), (372, 58539), (403, 54036), (468, 46531), (474, 45942), (494, 44082), (558, 39026), (589, 36972), (684, 31837), (711, 30628), (741, 29388), (806, 27018), (948, 22971), (988, 22041), (1027, 21204), (1116, 19513), (1178, 18486), (1209, 18012), (1422, 15314), (1482, 14694), (1501, 14508), (1612, 13509), (1767, 12324), (2054, 10602), (2223, 9796), (2356, 9243), (2418, 9006), (2449, 8892), (2844, 7657), (2964, 7347), (3002, 7254), (3081, 7068), (3534, 6162), (3627, 6004), (4108, 5301), (4446, 4898), (4503, 4836)]