21597818

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{18523}}^1$

素因数の和:18589

約数の個数: 16

約数和(自身を含む): 36010656

約数和(自身を除く): 14412838

約数列:

[1, 2, 11, 22, 53, 106, 583, 1166, 18523, 37046, 203753, 407506, 981719, 1963438, 10798909, 21597818]

約数ペア:

[(1, 21597818), (2, 10798909), (11, 1963438), (22, 981719), (53, 407506), (106, 203753), (583, 37046), (1166, 18523)]