21668080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{38693}}^1$

素因数の和:38713

約数の個数: 40

約数和(自身を含む): 57576672

約数和(自身を除く): 35908592

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 38693, 77386, 154772, 193465, 270851, 309544, 386930, 541702, 619088, 773860, 1083404, 1354255, 1547720, 2166808, 2708510, 3095440, 4333616, 5417020, 10834040, 21668080]

約数ペア:

[(1, 21668080), (2, 10834040), (4, 5417020), (5, 4333616), (7, 3095440), (8, 2708510), (10, 2166808), (14, 1547720), (16, 1354255), (20, 1083404), (28, 773860), (35, 619088), (40, 541702), (56, 386930), (70, 309544), (80, 270851), (112, 193465), (140, 154772), (280, 77386), (560, 38693)]