21557789154

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{629351}}^1$

素因数の和:629543

約数の個数: 48

約数和(自身を含む): 51249392064

約数和(自身を除く): 29691602910

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 173, 198, 346, 519, 1038, 1557, 1903, 3114, 3806, 5709, 11418, 17127, 34254, 629351, 1258702, 1888053, 3776106, 5664159, 6922861, 11328318, 13845722, 20768583, 41537166, 62305749, 108877723, 124611498, 217755446, 326633169, 653266338, 979899507, 1197654953, 1959799014, 2395309906, 3592964859, 7185929718, 10778894577, 21557789154]

約数ペア:

[(1, 21557789154), (2, 10778894577), (3, 7185929718), (6, 3592964859), (9, 2395309906), (11, 1959799014), (18, 1197654953), (22, 979899507), (33, 653266338), (66, 326633169), (99, 217755446), (173, 124611498), (198, 108877723), (346, 62305749), (519, 41537166), (1038, 20768583), (1557, 13845722), (1903, 11328318), (3114, 6922861), (3806, 5664159), (5709, 3776106), (11418, 1888053), (17127, 1258702), (34254, 629351)]