21376830

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{712561}}^1$

素因数の和:712571

約数の個数: 16

約数和(自身を含む): 51304464

約数和(自身を除く): 29927634

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 712561, 1425122, 2137683, 3562805, 4275366, 7125610, 10688415, 21376830]

約数ペア:

[(1, 21376830), (2, 10688415), (3, 7125610), (5, 4275366), (6, 3562805), (10, 2137683), (15, 1425122), (30, 712561)]