21657924

素因数分解:

$2^2\times 3^2\times {\mathrm{421}}^1\times {\mathrm{1429}}^1$

素因数の和:1860

約数の個数: 36

約数和(自身を含む): 54914860

約数和(自身を除く): 33256936

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 421, 842, 1263, 1429, 1684, 2526, 2858, 3789, 4287, 5052, 5716, 7578, 8574, 12861, 15156, 17148, 25722, 51444, 601609, 1203218, 1804827, 2406436, 3609654, 5414481, 7219308, 10828962, 21657924]

約数ペア:

[(1, 21657924), (2, 10828962), (3, 7219308), (4, 5414481), (6, 3609654), (9, 2406436), (12, 1804827), (18, 1203218), (36, 601609), (421, 51444), (842, 25722), (1263, 17148), (1429, 15156), (1684, 12861), (2526, 8574), (2858, 7578), (3789, 5716), (4287, 5052)]