21944240

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{14437}}^1$

素因数の和:14469

約数の個数: 40

約数和(自身を含む): 53709360

約数和(自身を除く): 31765120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 14437, 28874, 57748, 72185, 115496, 144370, 230992, 274303, 288740, 548606, 577480, 1097212, 1154960, 1371515, 2194424, 2743030, 4388848, 5486060, 10972120, 21944240]

約数ペア:

[(1, 21944240), (2, 10972120), (4, 5486060), (5, 4388848), (8, 2743030), (10, 2194424), (16, 1371515), (19, 1154960), (20, 1097212), (38, 577480), (40, 548606), (76, 288740), (80, 274303), (95, 230992), (152, 144370), (190, 115496), (304, 72185), (380, 57748), (760, 28874), (1520, 14437)]