2021337370

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{15548749}}^1$

素因数の和:15548769

約数の個数: 16

約数和(自身を含む): 3918285000

約数和(自身を除く): 1896947630

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 15548749, 31097498, 77743745, 155487490, 202133737, 404267474, 1010668685, 2021337370]

約数ペア:

[(1, 2021337370), (2, 1010668685), (5, 404267474), (10, 202133737), (13, 155487490), (26, 77743745), (65, 31097498), (130, 15548749)]