21718418

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{13591}}^1$

素因数の和:13657

約数の個数: 16

約数和(自身を含む): 35230464

約数和(自身を除く): 13512046

約数列:

[1, 2, 17, 34, 47, 94, 799, 1598, 13591, 27182, 231047, 462094, 638777, 1277554, 10859209, 21718418]

約数ペア:

[(1, 21718418), (2, 10859209), (17, 1277554), (34, 638777), (47, 462094), (94, 231047), (799, 27182), (1598, 13591)]