21887660

素因数分解:

$2^2\times 5^1\times {\mathrm{941}}^1\times {\mathrm{1163}}^1$

素因数の和:2113

約数の個数: 24

約数和(自身を含む): 46052496

約数和(自身を除く): 24164836

約数列:

[1, 2, 4, 5, 10, 20, 941, 1163, 1882, 2326, 3764, 4652, 4705, 5815, 9410, 11630, 18820, 23260, 1094383, 2188766, 4377532, 5471915, 10943830, 21887660]

約数ペア:

[(1, 21887660), (2, 10943830), (4, 5471915), (5, 4377532), (10, 2188766), (20, 1094383), (941, 23260), (1163, 18820), (1882, 11630), (2326, 9410), (3764, 5815), (4652, 4705)]