21770506

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{521}}^1\times {\mathrm{1229}}^1$

素因数の和:1769

約数の個数: 16

約数和(自身を含む): 34671240

約数和(自身を除く): 12900734

約数列:

[1, 2, 17, 34, 521, 1042, 1229, 2458, 8857, 17714, 20893, 41786, 640309, 1280618, 10885253, 21770506]

約数ペア:

[(1, 21770506), (2, 10885253), (17, 1280618), (34, 640309), (521, 41786), (1042, 20893), (1229, 17714), (2458, 8857)]