21718015

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{383}}^1\times {\mathrm{1031}}^1$

素因数の和:1430

約数の個数: 16

約数和(自身を含む): 28532736

約数和(自身を除く): 6814721

約数列:

[1, 5, 11, 55, 383, 1031, 1915, 4213, 5155, 11341, 21065, 56705, 394873, 1974365, 4343603, 21718015]

約数ペア:

[(1, 21718015), (5, 4343603), (11, 1974365), (55, 394873), (383, 56705), (1031, 21065), (1915, 11341), (4213, 5155)]