20921318498

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{4491481}}^1$

素因数の和:4491637

約数の個数: 16

約数和(自身を含む): 33470523864

約数和(自身を除く): 12549205366

約数列:

[1, 2, 17, 34, 137, 274, 2329, 4658, 4491481, 8982962, 76355177, 152710354, 615332897, 1230665794, 10460659249, 20921318498]

約数ペア:

[(1, 20921318498), (2, 10460659249), (17, 1230665794), (34, 615332897), (137, 152710354), (274, 76355177), (2329, 8982962), (4658, 4491481)]