21660848

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{5351}}^1$

素因数の和:5393

約数の個数: 40

約数和(自身を含む): 47782656

約数和(自身を除く): 26121808

約数列:

[1, 2, 4, 8, 11, 16, 22, 23, 44, 46, 88, 92, 176, 184, 253, 368, 506, 1012, 2024, 4048, 5351, 10702, 21404, 42808, 58861, 85616, 117722, 123073, 235444, 246146, 470888, 492292, 941776, 984584, 1353803, 1969168, 2707606, 5415212, 10830424, 21660848]

約数ペア:

[(1, 21660848), (2, 10830424), (4, 5415212), (8, 2707606), (11, 1969168), (16, 1353803), (22, 984584), (23, 941776), (44, 492292), (46, 470888), (88, 246146), (92, 235444), (176, 123073), (184, 117722), (253, 85616), (368, 58861), (506, 42808), (1012, 21404), (2024, 10702), (4048, 5351)]