21451586

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{48533}}^1$

素因数の和:48565

約数の個数: 16

約数和(自身を含む): 36691704

約数和(自身を除く): 15240118

約数列:

[1, 2, 13, 17, 26, 34, 221, 442, 48533, 97066, 630929, 825061, 1261858, 1650122, 10725793, 21451586]

約数ペア:

[(1, 21451586), (2, 10725793), (13, 1650122), (17, 1261858), (26, 825061), (34, 630929), (221, 97066), (442, 48533)]