21821222

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{167}}^1\times {\mathrm{827}}^1$

素因数の和:1075

約数の個数: 16

約数和(自身を含む): 33384960

約数和(自身を除く): 11563738

約数列:

[1, 2, 79, 158, 167, 334, 827, 1654, 13193, 26386, 65333, 130666, 138109, 276218, 10910611, 21821222]

約数ペア:

[(1, 21821222), (2, 10910611), (79, 276218), (158, 138109), (167, 130666), (334, 65333), (827, 26386), (1654, 13193)]