21376995

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{701}}^1$

素因数の和:835

約数の個数: 32

約数和(自身を含む): 36391680

約数和(自身を除く): 15014685

約数列:

[1, 3, 5, 15, 19, 57, 95, 107, 285, 321, 535, 701, 1605, 2033, 2103, 3505, 6099, 10165, 10515, 13319, 30495, 39957, 66595, 75007, 199785, 225021, 375035, 1125105, 1425133, 4275399, 7125665, 21376995]

約数ペア:

[(1, 21376995), (3, 7125665), (5, 4275399), (15, 1425133), (19, 1125105), (57, 375035), (95, 225021), (107, 199785), (285, 75007), (321, 66595), (535, 39957), (701, 30495), (1605, 13319), (2033, 10515), (2103, 10165), (3505, 6099)]