21293004

素因数分解:

$2^2\times 3^1\times {\mathrm{677}}^1\times {\mathrm{2621}}^1$

素因数の和:3305

約数の個数: 24

約数和(自身を含む): 49776048

約数和(自身を除く): 28483044

約数列:

[1, 2, 3, 4, 6, 12, 677, 1354, 2031, 2621, 2708, 4062, 5242, 7863, 8124, 10484, 15726, 31452, 1774417, 3548834, 5323251, 7097668, 10646502, 21293004]

約数ペア:

[(1, 21293004), (2, 10646502), (3, 7097668), (4, 5323251), (6, 3548834), (12, 1774417), (677, 31452), (1354, 15726), (2031, 10484), (2621, 8124), (2708, 7863), (4062, 5242)]