21552288

素因数分解:

$2^5\times 3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{227}}^1$

素因数の和:306

約数の個数: 96

約数和(自身を含む): 60673536

約数和(自身を除く): 39121248

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 32, 43, 46, 48, 69, 86, 92, 96, 129, 138, 172, 184, 227, 258, 276, 344, 368, 454, 516, 552, 681, 688, 736, 908, 989, 1032, 1104, 1362, 1376, 1816, 1978, 2064, 2208, 2724, 2967, 3632, 3956, 4128, 5221, 5448, 5934, 7264, 7912, 9761, 10442, 10896, 11868, 15663, 15824, 19522, 20884, 21792, 23736, 29283, 31326, 31648, 39044, 41768, 47472, 58566, 62652, 78088, 83536, 94944, 117132, 125304, 156176, 167072, 224503, 234264, 250608, 312352, 449006, 468528, 501216, 673509, 898012, 937056, 1347018, 1796024, 2694036, 3592048, 5388072, 7184096, 10776144, 21552288]

約数ペア:

[(1, 21552288), (2, 10776144), (3, 7184096), (4, 5388072), (6, 3592048), (8, 2694036), (12, 1796024), (16, 1347018), (23, 937056), (24, 898012), (32, 673509), (43, 501216), (46, 468528), (48, 449006), (69, 312352), (86, 250608), (92, 234264), (96, 224503), (129, 167072), (138, 156176), (172, 125304), (184, 117132), (227, 94944), (258, 83536), (276, 78088), (344, 62652), (368, 58566), (454, 47472), (516, 41768), (552, 39044), (681, 31648), (688, 31326), (736, 29283), (908, 23736), (989, 21792), (1032, 20884), (1104, 19522), (1362, 15824), (1376, 15663), (1816, 11868), (1978, 10896), (2064, 10442), (2208, 9761), (2724, 7912), (2967, 7264), (3632, 5934), (3956, 5448), (4128, 5221)]