21206464

素因数分解:

$2^6\times {\mathrm{103}}^1\times {\mathrm{3217}}^1$

素因数の和:3332

約数の個数: 28

約数和(自身を含む): 42503344

約数和(自身を除く): 21296880

約数列:

[1, 2, 4, 8, 16, 32, 64, 103, 206, 412, 824, 1648, 3217, 3296, 6434, 6592, 12868, 25736, 51472, 102944, 205888, 331351, 662702, 1325404, 2650808, 5301616, 10603232, 21206464]

約数ペア:

[(1, 21206464), (2, 10603232), (4, 5301616), (8, 2650808), (16, 1325404), (32, 662702), (64, 331351), (103, 205888), (206, 102944), (412, 51472), (824, 25736), (1648, 12868), (3217, 6592), (3296, 6434)]