21722822

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{491}}^1\times {\mathrm{2011}}^1$

素因数の和:2515

約数の個数: 16

約数和(自身を含む): 35636544

約数和(自身を除く): 13913722

約数列:

[1, 2, 11, 22, 491, 982, 2011, 4022, 5401, 10802, 22121, 44242, 987401, 1974802, 10861411, 21722822]

約数ペア:

[(1, 21722822), (2, 10861411), (11, 1974802), (22, 987401), (491, 44242), (982, 22121), (2011, 10802), (4022, 5401)]