21442185

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{9343}}^1$

素因数の和:9374

約数の個数: 32

約数和(自身を含む): 40366080

約数和(自身を除く): 18923895

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 85, 135, 153, 255, 459, 765, 2295, 9343, 28029, 46715, 84087, 140145, 158831, 252261, 420435, 476493, 794155, 1261305, 1429479, 2382465, 4288437, 7147395, 21442185]

約数ペア:

[(1, 21442185), (3, 7147395), (5, 4288437), (9, 2382465), (15, 1429479), (17, 1261305), (27, 794155), (45, 476493), (51, 420435), (85, 252261), (135, 158831), (153, 140145), (255, 84087), (459, 46715), (765, 28029), (2295, 9343)]