21282580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{96739}}^1$

素因数の和:96759

約数の個数: 24

約数和(自身を含む): 48756960

約数和(自身を除く): 27474380

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 96739, 193478, 386956, 483695, 967390, 1064129, 1934780, 2128258, 4256516, 5320645, 10641290, 21282580]

約数ペア:

[(1, 21282580), (2, 10641290), (4, 5320645), (5, 4256516), (10, 2128258), (11, 1934780), (20, 1064129), (22, 967390), (44, 483695), (55, 386956), (110, 193478), (220, 96739)]