21526028

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{2591}}^1$

素因数の和:2693

約数の個数: 24

約数和(自身を含む): 39481344

約数和(自身を除く): 17955316

約数列:

[1, 2, 4, 31, 62, 67, 124, 134, 268, 2077, 2591, 4154, 5182, 8308, 10364, 80321, 160642, 173597, 321284, 347194, 694388, 5381507, 10763014, 21526028]

約数ペア:

[(1, 21526028), (2, 10763014), (4, 5381507), (31, 694388), (62, 347194), (67, 321284), (124, 173597), (134, 160642), (268, 80321), (2077, 10364), (2591, 8308), (4154, 5182)]