21175761

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{4111}}^1$

素因数の和:4232

約数の個数: 16

約数和(自身を含む): 30198528

約数和(自身を除く): 9022767

約数列:

[1, 3, 17, 51, 101, 303, 1717, 4111, 5151, 12333, 69887, 209661, 415211, 1245633, 7058587, 21175761]

約数ペア:

[(1, 21175761), (3, 7058587), (17, 1245633), (51, 415211), (101, 209661), (303, 69887), (1717, 12333), (4111, 5151)]