21817830

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{727261}}^1$

素因数の和:727271

約数の個数: 16

約数和(自身を含む): 52362864

約数和(自身を除く): 30545034

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 727261, 1454522, 2181783, 3636305, 4363566, 7272610, 10908915, 21817830]

約数ペア:

[(1, 21817830), (2, 10908915), (3, 7272610), (5, 4363566), (6, 3636305), (10, 2181783), (15, 1454522), (30, 727261)]