21475190

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{195229}}^1$

素因数の和:195247

約数の個数: 16

約数和(自身を含む): 42169680

約数和(自身を除く): 20694490

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 195229, 390458, 976145, 1952290, 2147519, 4295038, 10737595, 21475190]

約数ペア:

[(1, 21475190), (2, 10737595), (5, 4295038), (10, 2147519), (11, 1952290), (22, 976145), (55, 390458), (110, 195229)]