21390046

素因数分解:

$2^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{1609}}^1$

素因数の和:1668

約数の個数: 24

約数和(自身を含む): 35587440

約数和(自身を除く): 14197394

約数列:

[1, 2, 17, 23, 34, 46, 289, 391, 578, 782, 1609, 3218, 6647, 13294, 27353, 37007, 54706, 74014, 465001, 629119, 930002, 1258238, 10695023, 21390046]

約数ペア:

[(1, 21390046), (2, 10695023), (17, 1258238), (23, 930002), (34, 629119), (46, 465001), (289, 74014), (391, 54706), (578, 37007), (782, 27353), (1609, 13294), (3218, 6647)]