21861216

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{5839}}^1$

素因数の和:5868

約数の個数: 72

約数和(自身を含む): 66961440

約数和(自身を除く): 45100224

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 72, 78, 96, 104, 117, 144, 156, 208, 234, 288, 312, 416, 468, 624, 936, 1248, 1872, 3744, 5839, 11678, 17517, 23356, 35034, 46712, 52551, 70068, 75907, 93424, 105102, 140136, 151814, 186848, 210204, 227721, 280272, 303628, 420408, 455442, 560544, 607256, 683163, 840816, 910884, 1214512, 1366326, 1681632, 1821768, 2429024, 2732652, 3643536, 5465304, 7287072, 10930608, 21861216]

約数ペア:

[(1, 21861216), (2, 10930608), (3, 7287072), (4, 5465304), (6, 3643536), (8, 2732652), (9, 2429024), (12, 1821768), (13, 1681632), (16, 1366326), (18, 1214512), (24, 910884), (26, 840816), (32, 683163), (36, 607256), (39, 560544), (48, 455442), (52, 420408), (72, 303628), (78, 280272), (96, 227721), (104, 210204), (117, 186848), (144, 151814), (156, 140136), (208, 105102), (234, 93424), (288, 75907), (312, 70068), (416, 52551), (468, 46712), (624, 35034), (936, 23356), (1248, 17517), (1872, 11678), (3744, 5839)]