2021697550

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{1304321}}^1$

素因数の和:1304364

約数の個数: 24

約数和(自身を含む): 3881662272

約数和(自身を除く): 1859964722

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 155, 310, 775, 1550, 1304321, 2608642, 6521605, 13043210, 32608025, 40433951, 65216050, 80867902, 202169755, 404339510, 1010848775, 2021697550]

約数ペア:

[(1, 2021697550), (2, 1010848775), (5, 404339510), (10, 202169755), (25, 80867902), (31, 65216050), (50, 40433951), (62, 32608025), (155, 13043210), (310, 6521605), (775, 2608642), (1550, 1304321)]