21372084

素因数分解:

$2^2\times 3^2\times {\mathrm{139}}^1\times {\mathrm{4271}}^1$

素因数の和:4420

約数の個数: 36

約数和(自身を含む): 54425280

約数和(自身を除く): 33053196

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 139, 278, 417, 556, 834, 1251, 1668, 2502, 4271, 5004, 8542, 12813, 17084, 25626, 38439, 51252, 76878, 153756, 593669, 1187338, 1781007, 2374676, 3562014, 5343021, 7124028, 10686042, 21372084]

約数ペア:

[(1, 21372084), (2, 10686042), (3, 7124028), (4, 5343021), (6, 3562014), (9, 2374676), (12, 1781007), (18, 1187338), (36, 593669), (139, 153756), (278, 76878), (417, 51252), (556, 38439), (834, 25626), (1251, 17084), (1668, 12813), (2502, 8542), (4271, 5004)]