21462485

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{317}}^1\times {\mathrm{1231}}^1$

素因数の和:1564

約数の個数: 16

約数和(自身を含む): 28207872

約数和(自身を除く): 6745387

約数列:

[1, 5, 11, 55, 317, 1231, 1585, 3487, 6155, 13541, 17435, 67705, 390227, 1951135, 4292497, 21462485]

約数ペア:

[(1, 21462485), (5, 4292497), (11, 1951135), (55, 390227), (317, 67705), (1231, 17435), (1585, 13541), (3487, 6155)]