21227476

素因数分解:

$2^2\times {\mathrm{67}}^1\times {\mathrm{103}}^1\times {\mathrm{769}}^1$

素因数の和:943

約数の個数: 24

約数和(自身を含む): 38118080

約数和(自身を除く): 16890604

約数列:

[1, 2, 4, 67, 103, 134, 206, 268, 412, 769, 1538, 3076, 6901, 13802, 27604, 51523, 79207, 103046, 158414, 206092, 316828, 5306869, 10613738, 21227476]

約数ペア:

[(1, 21227476), (2, 10613738), (4, 5306869), (67, 316828), (103, 206092), (134, 158414), (206, 103046), (268, 79207), (412, 51523), (769, 27604), (1538, 13802), (3076, 6901)]