21230907

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{1709}}^1$

素因数の和:1854

約数の個数: 16

約数和(自身を含む): 29302560

約数和(自身を除く): 8071653

約数列:

[1, 3, 41, 101, 123, 303, 1709, 4141, 5127, 12423, 70069, 172609, 210207, 517827, 7076969, 21230907]

約数ペア:

[(1, 21230907), (3, 7076969), (41, 517827), (101, 210207), (123, 172609), (303, 70069), (1709, 12423), (4141, 5127)]