21889274

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{26891}}^1$

素因数の和:26941

約数の個数: 16

約数和(自身を含む): 36788256

約数和(自身を除く): 14898982

約数列:

[1, 2, 11, 22, 37, 74, 407, 814, 26891, 53782, 295801, 591602, 994967, 1989934, 10944637, 21889274]

約数ペア:

[(1, 21889274), (2, 10944637), (11, 1989934), (22, 994967), (37, 591602), (74, 295801), (407, 53782), (814, 26891)]