21795418

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{3413}}^1$

素因数の和:3549

約数の個数: 16

約数和(自身を含む): 34085376

約数和(自身を除く): 12289958

約数列:

[1, 2, 31, 62, 103, 206, 3193, 3413, 6386, 6826, 105803, 211606, 351539, 703078, 10897709, 21795418]

約数ペア:

[(1, 21795418), (2, 10897709), (31, 703078), (62, 351539), (103, 211606), (206, 105803), (3193, 6826), (3413, 6386)]