21020148

素因数分解:

$2^2\times 3^4\times {\mathrm{64877}}^1$

素因数の和:64893

約数の個数: 30

約数和(自身を含む): 54951666

約数和(自身を除く): 33931518

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 64877, 129754, 194631, 259508, 389262, 583893, 778524, 1167786, 1751679, 2335572, 3503358, 5255037, 7006716, 10510074, 21020148]

約数ペア:

[(1, 21020148), (2, 10510074), (3, 7006716), (4, 5255037), (6, 3503358), (9, 2335572), (12, 1751679), (18, 1167786), (27, 778524), (36, 583893), (54, 389262), (81, 259508), (108, 194631), (162, 129754), (324, 64877)]