21041571

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{1889}}^1$

素因数の和:2018

約数の個数: 16

約数和(自身を含む): 29030400

約数和(自身を除く): 7988829

約数列:

[1, 3, 47, 79, 141, 237, 1889, 3713, 5667, 11139, 88783, 149231, 266349, 447693, 7013857, 21041571]

約数ペア:

[(1, 21041571), (3, 7013857), (47, 447693), (79, 266349), (141, 149231), (237, 88783), (1889, 11139), (3713, 5667)]