21347868

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{859}}^1$

素因数の和:994

約数の個数: 48

約数和(自身を含む): 52976000

約数和(自身を除く): 31628132

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 109, 114, 218, 228, 327, 436, 654, 859, 1308, 1718, 2071, 2577, 3436, 4142, 5154, 6213, 8284, 10308, 12426, 16321, 24852, 32642, 48963, 65284, 93631, 97926, 187262, 195852, 280893, 374524, 561786, 1123572, 1778989, 3557978, 5336967, 7115956, 10673934, 21347868]

約数ペア:

[(1, 21347868), (2, 10673934), (3, 7115956), (4, 5336967), (6, 3557978), (12, 1778989), (19, 1123572), (38, 561786), (57, 374524), (76, 280893), (109, 195852), (114, 187262), (218, 97926), (228, 93631), (327, 65284), (436, 48963), (654, 32642), (859, 24852), (1308, 16321), (1718, 12426), (2071, 10308), (2577, 8284), (3436, 6213), (4142, 5154)]