21117700

素因数分解:

$2^2\times 5^2\times {\mathrm{211177}}^1$

素因数の和:211191

約数の個数: 18

約数和(自身を含む): 45825626

約数和(自身を除く): 24707926

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 211177, 422354, 844708, 1055885, 2111770, 4223540, 5279425, 10558850, 21117700]

約数ペア:

[(1, 21117700), (2, 10558850), (4, 5279425), (5, 4223540), (10, 2111770), (20, 1055885), (25, 844708), (50, 422354), (100, 211177)]