21668568

素因数分解:

$2^3\times 3^1\times {\mathrm{29}}^1\times {\mathrm{163}}^1\times {\mathrm{191}}^1$

素因数の和:392

約数の個数: 64

約数和(自身を含む): 56678400

約数和(自身を除く): 35009832

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 29, 58, 87, 116, 163, 174, 191, 232, 326, 348, 382, 489, 573, 652, 696, 764, 978, 1146, 1304, 1528, 1956, 2292, 3912, 4584, 4727, 5539, 9454, 11078, 14181, 16617, 18908, 22156, 28362, 31133, 33234, 37816, 44312, 56724, 62266, 66468, 93399, 113448, 124532, 132936, 186798, 249064, 373596, 747192, 902857, 1805714, 2708571, 3611428, 5417142, 7222856, 10834284, 21668568]

約数ペア:

[(1, 21668568), (2, 10834284), (3, 7222856), (4, 5417142), (6, 3611428), (8, 2708571), (12, 1805714), (24, 902857), (29, 747192), (58, 373596), (87, 249064), (116, 186798), (163, 132936), (174, 124532), (191, 113448), (232, 93399), (326, 66468), (348, 62266), (382, 56724), (489, 44312), (573, 37816), (652, 33234), (696, 31133), (764, 28362), (978, 22156), (1146, 18908), (1304, 16617), (1528, 14181), (1956, 11078), (2292, 9454), (3912, 5539), (4584, 4727)]