2021837391

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1035247}}^1$

素因数の和:1035291

約数の個数: 24

約数和(自身を含む): 3445305344

約数和(自身を除く): 1423467953

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 279, 651, 1953, 1035247, 3105741, 7246729, 9317223, 21740187, 32092657, 65220561, 96277971, 224648599, 288833913, 673945797, 2021837391]

約数ペア:

[(1, 2021837391), (3, 673945797), (7, 288833913), (9, 224648599), (21, 96277971), (31, 65220561), (63, 32092657), (93, 21740187), (217, 9317223), (279, 7246729), (651, 3105741), (1953, 1035247)]