21473176

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{3851}}^1$

素因数の和:3915

約数の個数: 32

約数和(自身を含む): 43681680

約数和(自身を除く): 22208504

約数列:

[1, 2, 4, 8, 17, 34, 41, 68, 82, 136, 164, 328, 697, 1394, 2788, 3851, 5576, 7702, 15404, 30808, 65467, 130934, 157891, 261868, 315782, 523736, 631564, 1263128, 2684147, 5368294, 10736588, 21473176]

約数ペア:

[(1, 21473176), (2, 10736588), (4, 5368294), (8, 2684147), (17, 1263128), (34, 631564), (41, 523736), (68, 315782), (82, 261868), (136, 157891), (164, 130934), (328, 65467), (697, 30808), (1394, 15404), (2788, 7702), (3851, 5576)]