21191266

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{3821}}^1$

素因数の和:3929

約数の個数: 16

約数和(自身を含む): 33022080

約数和(自身を除く): 11830814

約数列:

[1, 2, 47, 59, 94, 118, 2773, 3821, 5546, 7642, 179587, 225439, 359174, 450878, 10595633, 21191266]

約数ペア:

[(1, 21191266), (2, 10595633), (47, 450878), (59, 359174), (94, 225439), (118, 179587), (2773, 7642), (3821, 5546)]