21100519

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{2129}}^1$

素因数の和:2210

約数の個数: 16

約数和(自身を含む): 24844320

約数和(自身を除く): 3743801

約数列:

[1, 11, 17, 53, 187, 583, 901, 2129, 9911, 23419, 36193, 112837, 398123, 1241207, 1918229, 21100519]

約数ペア:

[(1, 21100519), (11, 1918229), (17, 1241207), (53, 398123), (187, 112837), (583, 36193), (901, 23419), (2129, 9911)]