21080102025

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{1021}}^1\times {\mathrm{11969}}^1$

素因数の和:13026

約数の個数: 48

約数和(自身を含む): 36406419840

約数和(自身を除く): 15326317815

約数列:

[1, 3, 5, 15, 23, 25, 69, 75, 115, 345, 575, 1021, 1725, 3063, 5105, 11969, 15315, 23483, 25525, 35907, 59845, 70449, 76575, 117415, 179535, 275287, 299225, 352245, 587075, 825861, 897675, 1376435, 1761225, 4129305, 6882175, 12220349, 20646525, 36661047, 61101745, 183305235, 281068027, 305508725, 843204081, 916526175, 1405340135, 4216020405, 7026700675, 21080102025]

約数ペア:

[(1, 21080102025), (3, 7026700675), (5, 4216020405), (15, 1405340135), (23, 916526175), (25, 843204081), (69, 305508725), (75, 281068027), (115, 183305235), (345, 61101745), (575, 36661047), (1021, 20646525), (1725, 12220349), (3063, 6882175), (5105, 4129305), (11969, 1761225), (15315, 1376435), (23483, 897675), (25525, 825861), (35907, 587075), (59845, 352245), (70449, 299225), (76575, 275287), (117415, 179535)]