21599924

素因数分解:

$2^2\times {\mathrm{103}}^2\times {\mathrm{509}}^1$

素因数の和:719

約数の個数: 18

約数和(自身を含む): 38245410

約数和(自身を除く): 16645486

約数列:

[1, 2, 4, 103, 206, 412, 509, 1018, 2036, 10609, 21218, 42436, 52427, 104854, 209708, 5399981, 10799962, 21599924]

約数ペア:

[(1, 21599924), (2, 10799962), (4, 5399981), (103, 209708), (206, 104854), (412, 52427), (509, 42436), (1018, 21218), (2036, 10609)]