21531687

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{1933}}^1$

素因数の和:2062

約数の個数: 16

約数和(自身を含む): 29706240

約数和(自身を除く): 8174553

約数列:

[1, 3, 47, 79, 141, 237, 1933, 3713, 5799, 11139, 90851, 152707, 272553, 458121, 7177229, 21531687]

約数ペア:

[(1, 21531687), (3, 7177229), (47, 458121), (79, 272553), (141, 152707), (237, 90851), (1933, 11139), (3713, 5799)]