21065178

素因数分解:

$2^1\times 3^1\times {\mathrm{193}}^1\times {\mathrm{18191}}^1$

素因数の和:18389

約数の個数: 16

約数和(自身を含む): 42350976

約数和(自身を除く): 21285798

約数列:

[1, 2, 3, 6, 193, 386, 579, 1158, 18191, 36382, 54573, 109146, 3510863, 7021726, 10532589, 21065178]

約数ペア:

[(1, 21065178), (2, 10532589), (3, 7021726), (6, 3510863), (193, 109146), (386, 54573), (579, 36382), (1158, 18191)]