21108923

素因数分解:

${\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{601}}^1$

素因数の和:746

約数の個数: 16

約数和(自身を含む): 24041472

約数和(自身を除く): 2932549

約数列:

[1, 11, 31, 103, 341, 601, 1133, 3193, 6611, 18631, 35123, 61903, 204941, 680933, 1918993, 21108923]

約数ペア:

[(1, 21108923), (11, 1918993), (31, 680933), (103, 204941), (341, 61903), (601, 35123), (1133, 18631), (3193, 6611)]