21000455528

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{201927457}}^1$

素因数の和:201927476

約数の個数: 16

約数和(自身を含む): 42404766180

約数和(自身を除く): 21404310652

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 201927457, 403854914, 807709828, 1615419656, 2625056941, 5250113882, 10500227764, 21000455528]

約数ペア:

[(1, 21000455528), (2, 10500227764), (4, 5250113882), (8, 2625056941), (13, 1615419656), (26, 807709828), (52, 403854914), (104, 201927457)]