21282464

素因数分解:

$2^5\times 7^4\times {\mathrm{277}}^1$

素因数の和:315

約数の個数: 60

約数和(自身を含む): 49056714

約数和(自身を除く): 27774250

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 98, 112, 196, 224, 277, 343, 392, 554, 686, 784, 1108, 1372, 1568, 1939, 2216, 2401, 2744, 3878, 4432, 4802, 5488, 7756, 8864, 9604, 10976, 13573, 15512, 19208, 27146, 31024, 38416, 54292, 62048, 76832, 95011, 108584, 190022, 217168, 380044, 434336, 665077, 760088, 1330154, 1520176, 2660308, 3040352, 5320616, 10641232, 21282464]

約数ペア:

[(1, 21282464), (2, 10641232), (4, 5320616), (7, 3040352), (8, 2660308), (14, 1520176), (16, 1330154), (28, 760088), (32, 665077), (49, 434336), (56, 380044), (98, 217168), (112, 190022), (196, 108584), (224, 95011), (277, 76832), (343, 62048), (392, 54292), (554, 38416), (686, 31024), (784, 27146), (1108, 19208), (1372, 15512), (1568, 13573), (1939, 10976), (2216, 9604), (2401, 8864), (2744, 7756), (3878, 5488), (4432, 4802)]