21007029224

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{84705763}}^1$

素因数の和:84705800

約数の個数: 16

約数和(自身を含む): 40658766720

約数和(自身を除く): 19651737496

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 84705763, 169411526, 338823052, 677646104, 2625878653, 5251757306, 10503514612, 21007029224]

約数ペア:

[(1, 21007029224), (2, 10503514612), (4, 5251757306), (8, 2625878653), (31, 677646104), (62, 338823052), (124, 169411526), (248, 84705763)]