21625149

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{701}}^1$

素因数の和:837

約数の個数: 32

約数和(自身を含む): 35852544

約数和(自身を除く): 14227395

約数列:

[1, 3, 7, 13, 21, 39, 91, 113, 273, 339, 701, 791, 1469, 2103, 2373, 4407, 4907, 9113, 10283, 14721, 27339, 30849, 63791, 79213, 191373, 237639, 554491, 1029769, 1663473, 3089307, 7208383, 21625149]

約数ペア:

[(1, 21625149), (3, 7208383), (7, 3089307), (13, 1663473), (21, 1029769), (39, 554491), (91, 237639), (113, 191373), (273, 79213), (339, 63791), (701, 30849), (791, 27339), (1469, 14721), (2103, 10283), (2373, 9113), (4407, 4907)]