21313140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{2797}}^1$

素因数の和:2936

約数の個数: 48

約数和(自身を含む): 60168192

約数和(自身を除く): 38855052

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 127, 254, 381, 508, 635, 762, 1270, 1524, 1905, 2540, 2797, 3810, 5594, 7620, 8391, 11188, 13985, 16782, 27970, 33564, 41955, 55940, 83910, 167820, 355219, 710438, 1065657, 1420876, 1776095, 2131314, 3552190, 4262628, 5328285, 7104380, 10656570, 21313140]

約数ペア:

[(1, 21313140), (2, 10656570), (3, 7104380), (4, 5328285), (5, 4262628), (6, 3552190), (10, 2131314), (12, 1776095), (15, 1420876), (20, 1065657), (30, 710438), (60, 355219), (127, 167820), (254, 83910), (381, 55940), (508, 41955), (635, 33564), (762, 27970), (1270, 16782), (1524, 13985), (1905, 11188), (2540, 8391), (2797, 7620), (3810, 5594)]