21188762

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79657}}^1$

素因数の和:79685

約数の個数: 16

約数和(自身を含む): 38235840

約数和(自身を除く): 17047078

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 79657, 159314, 557599, 1115198, 1513483, 3026966, 10594381, 21188762]

約数ペア:

[(1, 21188762), (2, 10594381), (7, 3026966), (14, 1513483), (19, 1115198), (38, 557599), (133, 159314), (266, 79657)]