21094245

素因数分解:

$3^2\times 5^1\times {\mathrm{468761}}^1$

素因数の和:468772

約数の個数: 12

約数和(自身を含む): 36563436

約数和(自身を除く): 15469191

約数列:

[1, 3, 5, 9, 15, 45, 468761, 1406283, 2343805, 4218849, 7031415, 21094245]

約数ペア:

[(1, 21094245), (3, 7031415), (5, 4218849), (9, 2343805), (15, 1406283), (45, 468761)]