21064342

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{9103}}^1$

素因数の和:9207

約数の個数: 16

約数和(自身を含む): 34413120

約数和(自身を除く): 13348778

約数列:

[1, 2, 13, 26, 89, 178, 1157, 2314, 9103, 18206, 118339, 236678, 810167, 1620334, 10532171, 21064342]

約数ペア:

[(1, 21064342), (2, 10532171), (13, 1620334), (26, 810167), (89, 236678), (178, 118339), (1157, 18206), (2314, 9103)]