21627288

素因数分解:

$2^3\times 3^2\times {\mathrm{139}}^1\times {\mathrm{2161}}^1$

素因数の和:2312

約数の個数: 48

約数和(自身を含む): 59022600

約数和(自身を除く): 37395312

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 139, 278, 417, 556, 834, 1112, 1251, 1668, 2161, 2502, 3336, 4322, 5004, 6483, 8644, 10008, 12966, 17288, 19449, 25932, 38898, 51864, 77796, 155592, 300379, 600758, 901137, 1201516, 1802274, 2403032, 2703411, 3604548, 5406822, 7209096, 10813644, 21627288]

約数ペア:

[(1, 21627288), (2, 10813644), (3, 7209096), (4, 5406822), (6, 3604548), (8, 2703411), (9, 2403032), (12, 1802274), (18, 1201516), (24, 901137), (36, 600758), (72, 300379), (139, 155592), (278, 77796), (417, 51864), (556, 38898), (834, 25932), (1112, 19449), (1251, 17288), (1668, 12966), (2161, 10008), (2502, 8644), (3336, 6483), (4322, 5004)]