21803002

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{6121}}^1$

素因数の和:6273

約数の個数: 16

約数和(自身を含む): 35483112

約数和(自身を除く): 13680110

約数列:

[1, 2, 13, 26, 137, 274, 1781, 3562, 6121, 12242, 79573, 159146, 838577, 1677154, 10901501, 21803002]

約数ペア:

[(1, 21803002), (2, 10901501), (13, 1677154), (26, 838577), (137, 159146), (274, 79573), (1781, 12242), (3562, 6121)]