21599710

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17851}}^1$

素因数の和:17880

約数の個数: 24

約数和(自身を含む): 42737688

約数和(自身を除く): 21137978

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 605, 1210, 17851, 35702, 89255, 178510, 196361, 392722, 981805, 1963610, 2159971, 4319942, 10799855, 21599710]

約数ペア:

[(1, 21599710), (2, 10799855), (5, 4319942), (10, 2159971), (11, 1963610), (22, 981805), (55, 392722), (110, 196361), (121, 178510), (242, 89255), (605, 35702), (1210, 17851)]