21085388631

素因数分解:

$3^2\times {\mathrm{67}}^1\times {\mathrm{89}}^1\times {\mathrm{392893}}^1$

素因数の和:393055

約数の個数: 24

約数和(自身を含む): 31258646640

約数和(自身を除く): 10173258009

約数列:

[1, 3, 9, 67, 89, 201, 267, 603, 801, 5963, 17889, 53667, 392893, 1178679, 3536037, 26323831, 34967477, 78971493, 104902431, 236914479, 314707293, 2342820959, 7028462877, 21085388631]

約数ペア:

[(1, 21085388631), (3, 7028462877), (9, 2342820959), (67, 314707293), (89, 236914479), (201, 104902431), (267, 78971493), (603, 34967477), (801, 26323831), (5963, 3536037), (17889, 1178679), (53667, 392893)]