2021029690

素因数分解:

$2^1\times 5^1\times {\mathrm{971}}^1\times {\mathrm{208139}}^1$

素因数の和:209117

約数の個数: 16

約数和(自身を含む): 3641617440

約数和(自身を除く): 1620587750

約数列:

[1, 2, 5, 10, 971, 1942, 4855, 9710, 208139, 416278, 1040695, 2081390, 202102969, 404205938, 1010514845, 2021029690]

約数ペア:

[(1, 2021029690), (2, 1010514845), (5, 404205938), (10, 202102969), (971, 2081390), (1942, 1040695), (4855, 416278), (9710, 208139)]