21454576

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{9377}}^1$

素因数の和:9409

約数の個数: 40

約数和(自身を含む): 48840624

約数和(自身を除く): 27386048

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 88, 104, 143, 176, 208, 286, 572, 1144, 2288, 9377, 18754, 37508, 75016, 103147, 121901, 150032, 206294, 243802, 412588, 487604, 825176, 975208, 1340911, 1650352, 1950416, 2681822, 5363644, 10727288, 21454576]

約数ペア:

[(1, 21454576), (2, 10727288), (4, 5363644), (8, 2681822), (11, 1950416), (13, 1650352), (16, 1340911), (22, 975208), (26, 825176), (44, 487604), (52, 412588), (88, 243802), (104, 206294), (143, 150032), (176, 121901), (208, 103147), (286, 75016), (572, 37508), (1144, 18754), (2288, 9377)]