21924280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{78301}}^1$

素因数の和:78319

約数の個数: 32

約数和(自身を含む): 56377440

約数和(自身を除く): 34453160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 78301, 156602, 313204, 391505, 548107, 626408, 783010, 1096214, 1566020, 2192428, 2740535, 3132040, 4384856, 5481070, 10962140, 21924280]

約数ペア:

[(1, 21924280), (2, 10962140), (4, 5481070), (5, 4384856), (7, 3132040), (8, 2740535), (10, 2192428), (14, 1566020), (20, 1096214), (28, 783010), (35, 626408), (40, 548107), (56, 391505), (70, 313204), (140, 156602), (280, 78301)]