21554411

素因数分解:

${\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1$

素因数の和:286

約数の個数: 16

約数和(自身を含む): 22900320

約数和(自身を除く): 1345909

約数列:

[1, 53, 59, 61, 113, 3127, 3233, 3599, 5989, 6667, 6893, 190747, 353351, 365329, 406687, 21554411]

約数ペア:

[(1, 21554411), (53, 406687), (59, 365329), (61, 353351), (113, 190747), (3127, 6893), (3233, 6667), (3599, 5989)]