21416747

素因数分解:

${\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{521}}^1$

素因数の和:670

約数の個数: 16

約数和(自身を含む): 24279264

約数和(自身を除く): 2862517

約数列:

[1, 11, 37, 101, 407, 521, 1111, 3737, 5731, 19277, 41107, 52621, 212047, 578831, 1946977, 21416747]

約数ペア:

[(1, 21416747), (11, 1946977), (37, 578831), (101, 212047), (407, 52621), (521, 41107), (1111, 19277), (3737, 5731)]