21372830

素因数分解:

$2^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{16829}}^1$

素因数の和:16963

約数の個数: 16

約数和(自身を含む): 38776320

約数和(自身を除く): 17403490

約数列:

[1, 2, 5, 10, 127, 254, 635, 1270, 16829, 33658, 84145, 168290, 2137283, 4274566, 10686415, 21372830]

約数ペア:

[(1, 21372830), (2, 10686415), (5, 4274566), (10, 2137283), (127, 168290), (254, 84145), (635, 33658), (1270, 16829)]