21741454

素因数分解:

$2^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{17449}}^1$

素因数の和:17547

約数の個数: 16

約数和(自身を含む): 37692000

約数和(自身を除く): 15950546

約数列:

[1, 2, 7, 14, 89, 178, 623, 1246, 17449, 34898, 122143, 244286, 1552961, 3105922, 10870727, 21741454]

約数ペア:

[(1, 21741454), (2, 10870727), (7, 3105922), (14, 1552961), (89, 244286), (178, 122143), (623, 34898), (1246, 17449)]