21889829

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{2677}}^1$

素因数の和:2744

約数の個数: 16

約数和(自身を含む): 25644528

約数和(自身を除く): 3754699

約数列:

[1, 13, 17, 37, 221, 481, 629, 2677, 8177, 34801, 45509, 99049, 591617, 1287637, 1683833, 21889829]

約数ペア:

[(1, 21889829), (13, 1683833), (17, 1287637), (37, 591617), (221, 99049), (481, 45509), (629, 34801), (2677, 8177)]