21420192

素因数分解:

$2^5\times 3^1\times {\mathrm{43}}^1\times {\mathrm{5189}}^1$

素因数の和:5245

約数の個数: 48

約数和(自身を含む): 57546720

約数和(自身を除く): 36126528

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 43, 48, 86, 96, 129, 172, 258, 344, 516, 688, 1032, 1376, 2064, 4128, 5189, 10378, 15567, 20756, 31134, 41512, 62268, 83024, 124536, 166048, 223127, 249072, 446254, 498144, 669381, 892508, 1338762, 1785016, 2677524, 3570032, 5355048, 7140064, 10710096, 21420192]

約数ペア:

[(1, 21420192), (2, 10710096), (3, 7140064), (4, 5355048), (6, 3570032), (8, 2677524), (12, 1785016), (16, 1338762), (24, 892508), (32, 669381), (43, 498144), (48, 446254), (86, 249072), (96, 223127), (129, 166048), (172, 124536), (258, 83024), (344, 62268), (516, 41512), (688, 31134), (1032, 20756), (1376, 15567), (2064, 10378), (4128, 5189)]