21462064

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{103183}}^1$

素因数の和:103204

約数の個数: 20

約数和(自身を含む): 44781856

約数和(自身を除く): 23319792

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 103183, 206366, 412732, 825464, 1341379, 1650928, 2682758, 5365516, 10731032, 21462064]

約数ペア:

[(1, 21462064), (2, 10731032), (4, 5365516), (8, 2682758), (13, 1650928), (16, 1341379), (26, 825464), (52, 412732), (104, 206366), (208, 103183)]