21945116350

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{225889}}^1$

素因数の和:225997

約数の個数: 48

約数和(自身を含む): 42855850800

約数和(自身を除く): 20910734450

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 67, 134, 145, 290, 335, 670, 725, 1450, 1675, 1943, 3350, 3886, 9715, 19430, 48575, 97150, 225889, 451778, 1129445, 2258890, 5647225, 6550781, 11294450, 13101562, 15134563, 30269126, 32753905, 65507810, 75672815, 151345630, 163769525, 327539050, 378364075, 438902327, 756728150, 877804654, 2194511635, 4389023270, 10972558175, 21945116350]

約数ペア:

[(1, 21945116350), (2, 10972558175), (5, 4389023270), (10, 2194511635), (25, 877804654), (29, 756728150), (50, 438902327), (58, 378364075), (67, 327539050), (134, 163769525), (145, 151345630), (290, 75672815), (335, 65507810), (670, 32753905), (725, 30269126), (1450, 15134563), (1675, 13101562), (1943, 11294450), (3350, 6550781), (3886, 5647225), (9715, 2258890), (19430, 1129445), (48575, 451778), (97150, 225889)]