2021912319

素因数分解:

$3^1\times 7^1\times {\mathrm{379}}^1\times {\mathrm{254041}}^1$

素因数の和:254430

約数の個数: 16

約数和(自身を含む): 3089150720

約数和(自身を除く): 1067238401

約数列:

[1, 3, 7, 21, 379, 1137, 2653, 7959, 254041, 762123, 1778287, 5334861, 96281539, 288844617, 673970773, 2021912319]

約数ペア:

[(1, 2021912319), (3, 673970773), (7, 288844617), (21, 96281539), (379, 5334861), (1137, 1778287), (2653, 762123), (7959, 254041)]