21461058

素因数分解:

$2^1\times 3^3\times {\mathrm{397427}}^1$

素因数の和:397438

約数の個数: 16

約数和(自身を含む): 47691360

約数和(自身を除く): 26230302

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 397427, 794854, 1192281, 2384562, 3576843, 7153686, 10730529, 21461058]

約数ペア:

[(1, 21461058), (2, 10730529), (3, 7153686), (6, 3576843), (9, 2384562), (18, 1192281), (27, 794854), (54, 397427)]