21957334

素因数分解:

$2^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{15227}}^1$

素因数の和:15339

約数の個数: 16

約数和(自身を含む): 38009088

約数和(自身を除く): 16051754

約数列:

[1, 2, 7, 14, 103, 206, 721, 1442, 15227, 30454, 106589, 213178, 1568381, 3136762, 10978667, 21957334]

約数ペア:

[(1, 21957334), (2, 10978667), (7, 3136762), (14, 1568381), (103, 213178), (206, 106589), (721, 30454), (1442, 15227)]