21900352

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{20129}}^1$

素因数の和:20158

約数の個数: 28

約数和(自身を含む): 46017180

約数和(自身を除く): 24116828

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 136, 272, 544, 1088, 20129, 40258, 80516, 161032, 322064, 342193, 644128, 684386, 1288256, 1368772, 2737544, 5475088, 10950176, 21900352]

約数ペア:

[(1, 21900352), (2, 10950176), (4, 5475088), (8, 2737544), (16, 1368772), (17, 1288256), (32, 684386), (34, 644128), (64, 342193), (68, 322064), (136, 161032), (272, 80516), (544, 40258), (1088, 20129)]