21715693048

素因数分解:

$2^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{191}}^1\times {\mathrm{401}}^1$

素因数の和:749

約数の個数: 128

約数和(自身を含む): 48236912640

約数和(自身を除く): 26521219592

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 61, 83, 122, 166, 191, 244, 332, 382, 401, 427, 488, 581, 664, 764, 802, 854, 1162, 1337, 1528, 1604, 1708, 2324, 2674, 2807, 3208, 3416, 4648, 5063, 5348, 5614, 10126, 10696, 11228, 11651, 15853, 20252, 22456, 23302, 24461, 31706, 33283, 35441, 40504, 46604, 48922, 63412, 66566, 70882, 76591, 81557, 93208, 97844, 110971, 126824, 133132, 141764, 153182, 163114, 171227, 195688, 221942, 232981, 266264, 283528, 306364, 326228, 342454, 443884, 465962, 536137, 612728, 652456, 684908, 887768, 931924, 967033, 1072274, 1369816, 1863848, 1934066, 2030263, 2144548, 3868132, 4060526, 4289096, 4672051, 6357053, 6769231, 7736264, 8121052, 9344102, 12714106, 13538462, 14211841, 16242104, 18688204, 25428212, 27076924, 28423682, 32704357, 37376408, 44499371, 50856424, 54153848, 56847364, 65408714, 88998742, 113694728, 130817428, 177997484, 261634856, 355994968, 387780233, 775560466, 1551120932, 2714461631, 3102241864, 5428923262, 10857846524, 21715693048]

約数ペア:

[(1, 21715693048), (2, 10857846524), (4, 5428923262), (7, 3102241864), (8, 2714461631), (14, 1551120932), (28, 775560466), (56, 387780233), (61, 355994968), (83, 261634856), (122, 177997484), (166, 130817428), (191, 113694728), (244, 88998742), (332, 65408714), (382, 56847364), (401, 54153848), (427, 50856424), (488, 44499371), (581, 37376408), (664, 32704357), (764, 28423682), (802, 27076924), (854, 25428212), (1162, 18688204), (1337, 16242104), (1528, 14211841), (1604, 13538462), (1708, 12714106), (2324, 9344102), (2674, 8121052), (2807, 7736264), (3208, 6769231), (3416, 6357053), (4648, 4672051), (5063, 4289096), (5348, 4060526), (5614, 3868132), (10126, 2144548), (10696, 2030263), (11228, 1934066), (11651, 1863848), (15853, 1369816), (20252, 1072274), (22456, 967033), (23302, 931924), (24461, 887768), (31706, 684908), (33283, 652456), (35441, 612728), (40504, 536137), (46604, 465962), (48922, 443884), (63412, 342454), (66566, 326228), (70882, 306364), (76591, 283528), (81557, 266264), (93208, 232981), (97844, 221942), (110971, 195688), (126824, 171227), (133132, 163114), (141764, 153182)]