21819564

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^1\times {\mathrm{15541}}^1$

素因数の和:15567

約数の個数: 48

約数和(自身を含む): 60924640

約数和(自身を除く): 39105076

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 108, 117, 156, 234, 351, 468, 702, 1404, 15541, 31082, 46623, 62164, 93246, 139869, 186492, 202033, 279738, 404066, 419607, 559476, 606099, 808132, 839214, 1212198, 1678428, 1818297, 2424396, 3636594, 5454891, 7273188, 10909782, 21819564]

約数ペア:

[(1, 21819564), (2, 10909782), (3, 7273188), (4, 5454891), (6, 3636594), (9, 2424396), (12, 1818297), (13, 1678428), (18, 1212198), (26, 839214), (27, 808132), (36, 606099), (39, 559476), (52, 419607), (54, 404066), (78, 279738), (108, 202033), (117, 186492), (156, 139869), (234, 93246), (351, 62164), (468, 46623), (702, 31082), (1404, 15541)]