21419507

素因数分解:

${\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{389}}^1$

素因数の和:526

約数の個数: 16

約数和(自身を含む): 23587200

約数和(自身を除く): 2167693

約数列:

[1, 17, 41, 79, 389, 697, 1343, 3239, 6613, 15949, 30731, 55063, 271133, 522427, 1259971, 21419507]

約数ペア:

[(1, 21419507), (17, 1259971), (41, 522427), (79, 271133), (389, 55063), (697, 30731), (1343, 15949), (3239, 6613)]