21225368

素因数分解:

$2^3\times {\mathrm{59}}^1\times {\mathrm{193}}^1\times {\mathrm{233}}^1$

素因数の和:491

約数の個数: 32

約数和(自身を含む): 40856400

約数和(自身を除く): 19631032

約数列:

[1, 2, 4, 8, 59, 118, 193, 233, 236, 386, 466, 472, 772, 932, 1544, 1864, 11387, 13747, 22774, 27494, 44969, 45548, 54988, 89938, 91096, 109976, 179876, 359752, 2653171, 5306342, 10612684, 21225368]

約数ペア:

[(1, 21225368), (2, 10612684), (4, 5306342), (8, 2653171), (59, 359752), (118, 179876), (193, 109976), (233, 91096), (236, 89938), (386, 54988), (466, 45548), (472, 44969), (772, 27494), (932, 22774), (1544, 13747), (1864, 11387)]