21020760

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{58391}}^1$

素因数の和:58408

約数の個数: 48

約数和(自身を含む): 68318640

約数和(自身を除く): 47297880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 58391, 116782, 175173, 233564, 291955, 350346, 467128, 525519, 583910, 700692, 875865, 1051038, 1167820, 1401384, 1751730, 2102076, 2335640, 2627595, 3503460, 4204152, 5255190, 7006920, 10510380, 21020760]

約数ペア:

[(1, 21020760), (2, 10510380), (3, 7006920), (4, 5255190), (5, 4204152), (6, 3503460), (8, 2627595), (9, 2335640), (10, 2102076), (12, 1751730), (15, 1401384), (18, 1167820), (20, 1051038), (24, 875865), (30, 700692), (36, 583910), (40, 525519), (45, 467128), (60, 350346), (72, 291955), (90, 233564), (120, 175173), (180, 116782), (360, 58391)]