2021052719

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{449}}^1\times {\mathrm{20743}}^1$

素因数の和:21230

約数の個数: 16

約数和(自身を含む): 2389708800

約数和(自身を除く): 368656081

約数列:

[1, 7, 31, 217, 449, 3143, 13919, 20743, 97433, 145201, 643033, 4501231, 9313607, 65195249, 288721817, 2021052719]

約数ペア:

[(1, 2021052719), (7, 288721817), (31, 65195249), (217, 9313607), (449, 4501231), (3143, 643033), (13919, 145201), (20743, 97433)]