21086256

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{25841}}^1$

素因数の和:25869

約数の個数: 40

約数和(自身を含む): 57679344

約数和(自身を除く): 36593088

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 34, 48, 51, 68, 102, 136, 204, 272, 408, 816, 25841, 51682, 77523, 103364, 155046, 206728, 310092, 413456, 439297, 620184, 878594, 1240368, 1317891, 1757188, 2635782, 3514376, 5271564, 7028752, 10543128, 21086256]

約数ペア:

[(1, 21086256), (2, 10543128), (3, 7028752), (4, 5271564), (6, 3514376), (8, 2635782), (12, 1757188), (16, 1317891), (17, 1240368), (24, 878594), (34, 620184), (48, 439297), (51, 413456), (68, 310092), (102, 206728), (136, 155046), (204, 103364), (272, 77523), (408, 51682), (816, 25841)]