21000684

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{40699}}^1$

素因数の和:40749

約数の個数: 24

約数和(自身を含む): 50142400

約数和(自身を除く): 29141716

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 258, 516, 40699, 81398, 122097, 162796, 244194, 488388, 1750057, 3500114, 5250171, 7000228, 10500342, 21000684]

約数ペア:

[(1, 21000684), (2, 10500342), (3, 7000228), (4, 5250171), (6, 3500114), (12, 1750057), (43, 488388), (86, 244194), (129, 162796), (172, 122097), (258, 81398), (516, 40699)]