21436145

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{179}}^1\times {\mathrm{557}}^1$

素因数の和:784

約数の個数: 16

約数和(自身を含む): 26516160

約数和(自身を除く): 5080015

約数列:

[1, 5, 43, 179, 215, 557, 895, 2785, 7697, 23951, 38485, 99703, 119755, 498515, 4287229, 21436145]

約数ペア:

[(1, 21436145), (5, 4287229), (43, 498515), (179, 119755), (215, 99703), (557, 38485), (895, 23951), (2785, 7697)]