21726868

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{2141}}^1$

素因数の和:2247

約数の個数: 24

約数和(自身を含む): 39584160

約数和(自身を除く): 17857292

約数列:

[1, 2, 4, 43, 59, 86, 118, 172, 236, 2141, 2537, 4282, 5074, 8564, 10148, 92063, 126319, 184126, 252638, 368252, 505276, 5431717, 10863434, 21726868]

約数ペア:

[(1, 21726868), (2, 10863434), (4, 5431717), (43, 505276), (59, 368252), (86, 252638), (118, 184126), (172, 126319), (236, 92063), (2141, 10148), (2537, 8564), (4282, 5074)]