21067700

素因数分解:

$2^2\times 5^2\times {\mathrm{457}}^1\times {\mathrm{461}}^1$

素因数の和:932

約数の個数: 36

約数和(自身を含む): 45916332

約数和(自身を除く): 24848632

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 457, 461, 914, 922, 1828, 1844, 2285, 2305, 4570, 4610, 9140, 9220, 11425, 11525, 22850, 23050, 45700, 46100, 210677, 421354, 842708, 1053385, 2106770, 4213540, 5266925, 10533850, 21067700]

約数ペア:

[(1, 21067700), (2, 10533850), (4, 5266925), (5, 4213540), (10, 2106770), (20, 1053385), (25, 842708), (50, 421354), (100, 210677), (457, 46100), (461, 45700), (914, 23050), (922, 22850), (1828, 11525), (1844, 11425), (2285, 9220), (2305, 9140), (4570, 4610)]