2021923925

素因数分解:

$5^2\times 7^1\times {\mathrm{557}}^1\times {\mathrm{20743}}^1$

素因数の和:21317

約数の個数: 24

約数和(自身を含む): 2870637696

約数和(自身を除く): 848713771

約数列:

[1, 5, 7, 25, 35, 175, 557, 2785, 3899, 13925, 19495, 20743, 97475, 103715, 145201, 518575, 726005, 3630025, 11553851, 57769255, 80876957, 288846275, 404384785, 2021923925]

約数ペア:

[(1, 2021923925), (5, 404384785), (7, 288846275), (25, 80876957), (35, 57769255), (175, 11553851), (557, 3630025), (2785, 726005), (3899, 518575), (13925, 145201), (19495, 103715), (20743, 97475)]