21702050

素因数分解:

$2^1\times 5^2\times {\mathrm{241}}^1\times {\mathrm{1801}}^1$

素因数の和:2054

約数の個数: 24

約数和(自身を含む): 40555812

約数和(自身を除く): 18853762

約数列:

[1, 2, 5, 10, 25, 50, 241, 482, 1205, 1801, 2410, 3602, 6025, 9005, 12050, 18010, 45025, 90050, 434041, 868082, 2170205, 4340410, 10851025, 21702050]

約数ペア:

[(1, 21702050), (2, 10851025), (5, 4340410), (10, 2170205), (25, 868082), (50, 434041), (241, 90050), (482, 45025), (1205, 18010), (1801, 12050), (2410, 9005), (3602, 6025)]