21198296

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{12211}}^1$

素因数の和:12255

約数の個数: 32

約数和(自身を含む): 46894080

約数和(自身を除く): 25695784

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 217, 248, 434, 868, 1736, 12211, 24422, 48844, 85477, 97688, 170954, 341908, 378541, 683816, 757082, 1514164, 2649787, 3028328, 5299574, 10599148, 21198296]

約数ペア:

[(1, 21198296), (2, 10599148), (4, 5299574), (7, 3028328), (8, 2649787), (14, 1514164), (28, 757082), (31, 683816), (56, 378541), (62, 341908), (124, 170954), (217, 97688), (248, 85477), (434, 48844), (868, 24422), (1736, 12211)]