21254798

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{349}}^1\times {\mathrm{823}}^1$

素因数の和:1211

約数の個数: 16

約数和(自身を含む): 32877600

約数和(自身を除く): 11622802

約数列:

[1, 2, 37, 74, 349, 698, 823, 1646, 12913, 25826, 30451, 60902, 287227, 574454, 10627399, 21254798]

約数ペア:

[(1, 21254798), (2, 10627399), (37, 574454), (74, 287227), (349, 60902), (698, 30451), (823, 25826), (1646, 12913)]