21440382

素因数分解:

$2^1\times 3^1\times {\mathrm{397}}^1\times {\mathrm{9001}}^1$

素因数の和:9403

約数の個数: 16

約数和(自身を含む): 42993552

約数和(自身を除く): 21553170

約数列:

[1, 2, 3, 6, 397, 794, 1191, 2382, 9001, 18002, 27003, 54006, 3573397, 7146794, 10720191, 21440382]

約数ペア:

[(1, 21440382), (2, 10720191), (3, 7146794), (6, 3573397), (397, 54006), (794, 27003), (1191, 18002), (2382, 9001)]