21000365559

素因数分解:

$3^3\times {\mathrm{113}}^1\times {\mathrm{599}}^1\times {\mathrm{11491}}^1$

素因数の和:12212

約数の個数: 32

約数和(自身を含む): 31442112000

約数和(自身を除く): 10441746441

約数列:

[1, 3, 9, 27, 113, 339, 599, 1017, 1797, 3051, 5391, 11491, 16173, 34473, 67687, 103419, 203061, 310257, 609183, 1298483, 1827549, 3895449, 6883109, 11686347, 20649327, 35059041, 61947981, 185843943, 777791317, 2333373951, 7000121853, 21000365559]

約数ペア:

[(1, 21000365559), (3, 7000121853), (9, 2333373951), (27, 777791317), (113, 185843943), (339, 61947981), (599, 35059041), (1017, 20649327), (1797, 11686347), (3051, 6883109), (5391, 3895449), (11491, 1827549), (16173, 1298483), (34473, 609183), (67687, 310257), (103419, 203061)]