21086926

素因数分解:

$2^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{439}}^1$

素因数の和:568

約数の個数: 32

約数和(自身を含む): 37509120

約数和(自身を除く): 16422194

約数列:

[1, 2, 7, 14, 47, 73, 94, 146, 329, 439, 511, 658, 878, 1022, 3073, 3431, 6146, 6862, 20633, 24017, 32047, 41266, 48034, 64094, 144431, 224329, 288862, 448658, 1506209, 3012418, 10543463, 21086926]

約数ペア:

[(1, 21086926), (2, 10543463), (7, 3012418), (14, 1506209), (47, 448658), (73, 288862), (94, 224329), (146, 144431), (329, 64094), (439, 48034), (511, 41266), (658, 32047), (878, 24017), (1022, 20633), (3073, 6862), (3431, 6146)]