21360564

素因数分解:

$2^2\times 3^3\times {\mathrm{97}}^1\times {\mathrm{2039}}^1$

素因数の和:2149

約数の個数: 48

約数和(自身を含む): 55977600

約数和(自身を除く): 34617036

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 97, 108, 194, 291, 388, 582, 873, 1164, 1746, 2039, 2619, 3492, 4078, 5238, 6117, 8156, 10476, 12234, 18351, 24468, 36702, 55053, 73404, 110106, 197783, 220212, 395566, 593349, 791132, 1186698, 1780047, 2373396, 3560094, 5340141, 7120188, 10680282, 21360564]

約数ペア:

[(1, 21360564), (2, 10680282), (3, 7120188), (4, 5340141), (6, 3560094), (9, 2373396), (12, 1780047), (18, 1186698), (27, 791132), (36, 593349), (54, 395566), (97, 220212), (108, 197783), (194, 110106), (291, 73404), (388, 55053), (582, 36702), (873, 24468), (1164, 18351), (1746, 12234), (2039, 10476), (2619, 8156), (3492, 6117), (4078, 5238)]