21328265296

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{3535853}}^1$

素因数の和:3535903

約数の個数: 40

約数和(自身を含む): 46036819080

約数和(自身を除く): 24708553784

約数列:

[1, 2, 4, 8, 13, 16, 26, 29, 52, 58, 104, 116, 208, 232, 377, 464, 754, 1508, 3016, 6032, 3535853, 7071706, 14143412, 28286824, 45966089, 56573648, 91932178, 102539737, 183864356, 205079474, 367728712, 410158948, 735457424, 820317896, 1333016581, 1640635792, 2666033162, 5332066324, 10664132648, 21328265296]

約数ペア:

[(1, 21328265296), (2, 10664132648), (4, 5332066324), (8, 2666033162), (13, 1640635792), (16, 1333016581), (26, 820317896), (29, 735457424), (52, 410158948), (58, 367728712), (104, 205079474), (116, 183864356), (208, 102539737), (232, 91932178), (377, 56573648), (464, 45966089), (754, 28286824), (1508, 14143412), (3016, 7071706), (6032, 3535853)]