20212561131

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{31048481}}^1$

素因数の和:31048522

約数の個数: 16

約数和(自身を含む): 31793645568

約数和(自身を除く): 11581084437

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 31048481, 93145443, 217339367, 652018101, 962502911, 2887508733, 6737520377, 20212561131]

約数ペア:

[(1, 20212561131), (3, 6737520377), (7, 2887508733), (21, 962502911), (31, 652018101), (93, 217339367), (217, 93145443), (651, 31048481)]