21021224

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{12109}}^1$

素因数の和:12153

約数の個数: 32

約数和(自身を含む): 46502400

約数和(自身を除く): 25481176

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 217, 248, 434, 868, 1736, 12109, 24218, 48436, 84763, 96872, 169526, 339052, 375379, 678104, 750758, 1501516, 2627653, 3003032, 5255306, 10510612, 21021224]

約数ペア:

[(1, 21021224), (2, 10510612), (4, 5255306), (7, 3003032), (8, 2627653), (14, 1501516), (28, 750758), (31, 678104), (56, 375379), (62, 339052), (124, 169526), (217, 96872), (248, 84763), (434, 48436), (868, 24218), (1736, 12109)]