21264056

素因数分解:

$2^3\times {\mathrm{11}}^3\times {\mathrm{1997}}^1$

素因数の和:2036

約数の個数: 32

約数和(自身を含む): 43876080

約数和(自身を除く): 22612024

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 121, 242, 484, 968, 1331, 1997, 2662, 3994, 5324, 7988, 10648, 15976, 21967, 43934, 87868, 175736, 241637, 483274, 966548, 1933096, 2658007, 5316014, 10632028, 21264056]

約数ペア:

[(1, 21264056), (2, 10632028), (4, 5316014), (8, 2658007), (11, 1933096), (22, 966548), (44, 483274), (88, 241637), (121, 175736), (242, 87868), (484, 43934), (968, 21967), (1331, 15976), (1997, 10648), (2662, 7988), (3994, 5324)]