21695179

素因数分解:

${\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{199}}^1$

素因数の和:291

約数の個数: 24

約数和(自身を含む): 25855200

約数和(自身を除く): 4160021

約数列:

[1, 11, 17, 53, 121, 187, 199, 583, 901, 2057, 2189, 3383, 6413, 9911, 10547, 24079, 37213, 109021, 116017, 179299, 409343, 1276187, 1972289, 21695179]

約数ペア:

[(1, 21695179), (11, 1972289), (17, 1276187), (53, 409343), (121, 179299), (187, 116017), (199, 109021), (583, 37213), (901, 24079), (2057, 10547), (2189, 9911), (3383, 6413)]