21288046

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{48163}}^1$

素因数の和:48195

約数の個数: 16

約数和(自身を含む): 36411984

約数和(自身を除く): 15123938

約数列:

[1, 2, 13, 17, 26, 34, 221, 442, 48163, 96326, 626119, 818771, 1252238, 1637542, 10644023, 21288046]

約数ペア:

[(1, 21288046), (2, 10644023), (13, 1637542), (17, 1252238), (26, 818771), (34, 626119), (221, 96326), (442, 48163)]