21202295

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{3697}}^1$

素因数の和:3770

約数の個数: 16

約数和(自身を含む): 26980608

約数和(自身を除く): 5778313

約数列:

[1, 5, 31, 37, 155, 185, 1147, 3697, 5735, 18485, 114607, 136789, 573035, 683945, 4240459, 21202295]

約数ペア:

[(1, 21202295), (5, 4240459), (31, 683945), (37, 573035), (155, 136789), (185, 114607), (1147, 18485), (3697, 5735)]