21273902

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{48131}}^1$

素因数の和:48163

約数の個数: 16

約数和(自身を含む): 36387792

約数和(自身を除く): 15113890

約数列:

[1, 2, 13, 17, 26, 34, 221, 442, 48131, 96262, 625703, 818227, 1251406, 1636454, 10636951, 21273902]

約数ペア:

[(1, 21273902), (2, 10636951), (13, 1636454), (17, 1251406), (26, 818227), (34, 625703), (221, 96262), (442, 48131)]