2021163339

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1\times {\mathrm{7229}}^1$

素因数の和:7419

約数の個数: 32

約数和(自身を含む): 2973438720

約数和(自身を除く): 952275381

約数列:

[1, 3, 13, 39, 67, 107, 201, 321, 871, 1391, 2613, 4173, 7169, 7229, 21507, 21687, 93197, 93977, 279591, 281931, 484343, 773503, 1453029, 2320509, 6296459, 10055539, 18889377, 30166617, 51824701, 155474103, 673721113, 2021163339]

約数ペア:

[(1, 2021163339), (3, 673721113), (13, 155474103), (39, 51824701), (67, 30166617), (107, 18889377), (201, 10055539), (321, 6296459), (871, 2320509), (1391, 1453029), (2613, 773503), (4173, 484343), (7169, 281931), (7229, 279591), (21507, 93977), (21687, 93197)]