21062955

素因数分解:

$3^1\times 5^1\times {\mathrm{557}}^1\times {\mathrm{2521}}^1$

素因数の和:3086

約数の個数: 16

約数和(自身を含む): 33774624

約数和(自身を除く): 12711669

約数列:

[1, 3, 5, 15, 557, 1671, 2521, 2785, 7563, 8355, 12605, 37815, 1404197, 4212591, 7020985, 21062955]

約数ペア:

[(1, 21062955), (3, 7020985), (5, 4212591), (15, 1404197), (557, 37815), (1671, 12605), (2521, 8355), (2785, 7563)]