21778226

素因数分解:

$2^1\times {\mathrm{101}}^1\times {\mathrm{131}}^1\times {\mathrm{823}}^1$

素因数の和:1057

約数の個数: 16

約数和(自身を含む): 33283008

約数和(自身を除く): 11504782

約数列:

[1, 2, 101, 131, 202, 262, 823, 1646, 13231, 26462, 83123, 107813, 166246, 215626, 10889113, 21778226]

約数ペア:

[(1, 21778226), (2, 10889113), (101, 215626), (131, 166246), (202, 107813), (262, 83123), (823, 26462), (1646, 13231)]