16921839

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{13859}}^1$

素因数の和:13910

約数の個数: 16

約数和(自身を含む): 25280640

約数和(自身を除く): 8358801

約数列:

[1, 3, 11, 33, 37, 111, 407, 1221, 13859, 41577, 152449, 457347, 512783, 1538349, 5640613, 16921839]

約数ペア:

[(1, 16921839), (3, 5640613), (11, 1538349), (33, 512783), (37, 457347), (111, 152449), (407, 41577), (1221, 13859)]