21009586

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47533}}^1$

素因数の和:47565

約数の個数: 16

約数和(自身を含む): 35935704

約数和(自身を除く): 14926118

約数列:

[1, 2, 13, 17, 26, 34, 221, 442, 47533, 95066, 617929, 808061, 1235858, 1616122, 10504793, 21009586]

約数ペア:

[(1, 21009586), (2, 10504793), (13, 1616122), (17, 1235858), (26, 808061), (34, 617929), (221, 95066), (442, 47533)]