21000481212

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{40698607}}^1$

素因数の和:40698657

約数の個数: 24

約数和(自身を含む): 50140685056

約数和(自身を除く): 29140203844

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 258, 516, 40698607, 81397214, 122095821, 162794428, 244191642, 488383284, 1750040101, 3500080202, 5250120303, 7000160404, 10500240606, 21000481212]

約数ペア:

[(1, 21000481212), (2, 10500240606), (3, 7000160404), (4, 5250120303), (6, 3500080202), (12, 1750040101), (43, 488383284), (86, 244191642), (129, 162794428), (172, 122095821), (258, 81397214), (516, 40698607)]