21282070

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{45281}}^1$

素因数の和:45335

約数の個数: 16

約数和(自身を含む): 39123648

約数和(自身を除く): 17841578

約数列:

[1, 2, 5, 10, 47, 94, 235, 470, 45281, 90562, 226405, 452810, 2128207, 4256414, 10641035, 21282070]

約数ペア:

[(1, 21282070), (2, 10641035), (5, 4256414), (10, 2128207), (47, 452810), (94, 226405), (235, 90562), (470, 45281)]