21641672

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{3527}}^1$

素因数の和:3605

約数の個数: 32

約数和(自身を含む): 44452800

約数和(自身を除く): 22811128

約数列:

[1, 2, 4, 8, 13, 26, 52, 59, 104, 118, 236, 472, 767, 1534, 3068, 3527, 6136, 7054, 14108, 28216, 45851, 91702, 183404, 208093, 366808, 416186, 832372, 1664744, 2705209, 5410418, 10820836, 21641672]

約数ペア:

[(1, 21641672), (2, 10820836), (4, 5410418), (8, 2705209), (13, 1664744), (26, 832372), (52, 416186), (59, 366808), (104, 208093), (118, 183404), (236, 91702), (472, 45851), (767, 28216), (1534, 14108), (3068, 7054), (3527, 6136)]