21560976

素因数分解:

$2^4\times 3^2\times {\mathrm{149729}}^1$

素因数の和:149743

約数の個数: 30

約数和(自身を含む): 60341190

約数和(自身を除く): 38780214

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 149729, 299458, 449187, 598916, 898374, 1197832, 1347561, 1796748, 2395664, 2695122, 3593496, 5390244, 7186992, 10780488, 21560976]

約数ペア:

[(1, 21560976), (2, 10780488), (3, 7186992), (4, 5390244), (6, 3593496), (8, 2695122), (9, 2395664), (12, 1796748), (16, 1347561), (18, 1197832), (24, 898374), (36, 598916), (48, 449187), (72, 299458), (144, 149729)]