21157576

素因数分解:

$2^3\times {\mathrm{11}}^3\times {\mathrm{1987}}^1$

素因数の和:2026

約数の個数: 32

約数和(自身を含む): 43656480

約数和(自身を除く): 22498904

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 121, 242, 484, 968, 1331, 1987, 2662, 3974, 5324, 7948, 10648, 15896, 21857, 43714, 87428, 174856, 240427, 480854, 961708, 1923416, 2644697, 5289394, 10578788, 21157576]

約数ペア:

[(1, 21157576), (2, 10578788), (4, 5289394), (8, 2644697), (11, 1923416), (22, 961708), (44, 480854), (88, 240427), (121, 174856), (242, 87428), (484, 43714), (968, 21857), (1331, 15896), (1987, 10648), (2662, 7948), (3974, 5324)]