21321676

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{1607}}^1$

素因数の和:1749

約数の個数: 24

約数和(自身を含む): 38900736

約数和(自身を除く): 17579060

約数列:

[1, 2, 4, 31, 62, 107, 124, 214, 428, 1607, 3214, 3317, 6428, 6634, 13268, 49817, 99634, 171949, 199268, 343898, 687796, 5330419, 10660838, 21321676]

約数ペア:

[(1, 21321676), (2, 10660838), (4, 5330419), (31, 687796), (62, 343898), (107, 199268), (124, 171949), (214, 99634), (428, 49817), (1607, 13268), (3214, 6634), (3317, 6428)]