21698376

素因数分解:

$2^3\times 3^1\times 7^2\times {\mathrm{18451}}^1$

素因数の和:18474

約数の個数: 48

約数和(自身を含む): 63105840

約数和(自身を除く): 41407464

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 49, 56, 84, 98, 147, 168, 196, 294, 392, 588, 1176, 18451, 36902, 55353, 73804, 110706, 129157, 147608, 221412, 258314, 387471, 442824, 516628, 774942, 904099, 1033256, 1549884, 1808198, 2712297, 3099768, 3616396, 5424594, 7232792, 10849188, 21698376]

約数ペア:

[(1, 21698376), (2, 10849188), (3, 7232792), (4, 5424594), (6, 3616396), (7, 3099768), (8, 2712297), (12, 1808198), (14, 1549884), (21, 1033256), (24, 904099), (28, 774942), (42, 516628), (49, 442824), (56, 387471), (84, 258314), (98, 221412), (147, 147608), (168, 129157), (196, 110706), (294, 73804), (392, 55353), (588, 36902), (1176, 18451)]