21365682

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{273919}}^1$

素因数の和:273937

約数の個数: 16

約数和(自身を含む): 46018560

約数和(自身を除く): 24652878

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 273919, 547838, 821757, 1643514, 3560947, 7121894, 10682841, 21365682]

約数ペア:

[(1, 21365682), (2, 10682841), (3, 7121894), (6, 3560947), (13, 1643514), (26, 821757), (39, 547838), (78, 273919)]