21545854

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{487}}^1\times {\mathrm{2011}}^1$

素因数の和:2511

約数の個数: 16

約数和(自身を含む): 35346816

約数和(自身を除く): 13800962

約数列:

[1, 2, 11, 22, 487, 974, 2011, 4022, 5357, 10714, 22121, 44242, 979357, 1958714, 10772927, 21545854]

約数ペア:

[(1, 21545854), (2, 10772927), (11, 1958714), (22, 979357), (487, 44242), (974, 22121), (2011, 10714), (4022, 5357)]