21095061

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{4129}}^1$

素因数の和:4276

約数の個数: 16

約数和(自身を含む): 30528960

約数和(自身を除く): 9433899

約数列:

[1, 3, 13, 39, 131, 393, 1703, 4129, 5109, 12387, 53677, 161031, 540899, 1622697, 7031687, 21095061]

約数ペア:

[(1, 21095061), (3, 7031687), (13, 1622697), (39, 540899), (131, 161031), (393, 53677), (1703, 12387), (4129, 5109)]