21172668

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{5531}}^1$

素因数の和:5578

約数の個数: 48

約数和(自身を含む): 55762560

約数和(自身を除く): 34589892

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 29, 33, 44, 58, 66, 87, 116, 132, 174, 319, 348, 638, 957, 1276, 1914, 3828, 5531, 11062, 16593, 22124, 33186, 60841, 66372, 121682, 160399, 182523, 243364, 320798, 365046, 481197, 641596, 730092, 962394, 1764389, 1924788, 3528778, 5293167, 7057556, 10586334, 21172668]

約数ペア:

[(1, 21172668), (2, 10586334), (3, 7057556), (4, 5293167), (6, 3528778), (11, 1924788), (12, 1764389), (22, 962394), (29, 730092), (33, 641596), (44, 481197), (58, 365046), (66, 320798), (87, 243364), (116, 182523), (132, 160399), (174, 121682), (319, 66372), (348, 60841), (638, 33186), (957, 22124), (1276, 16593), (1914, 11062), (3828, 5531)]