21448714

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{677}}^1$

素因数の和:790

約数の個数: 32

約数和(自身を含む): 38532096

約数和(自身を除く): 17083382

約数列:

[1, 2, 7, 14, 31, 62, 73, 146, 217, 434, 511, 677, 1022, 1354, 2263, 4526, 4739, 9478, 15841, 20987, 31682, 41974, 49421, 98842, 146909, 293818, 345947, 691894, 1532051, 3064102, 10724357, 21448714]

約数ペア:

[(1, 21448714), (2, 10724357), (7, 3064102), (14, 1532051), (31, 691894), (62, 345947), (73, 293818), (146, 146909), (217, 98842), (434, 49421), (511, 41974), (677, 31682), (1022, 20987), (1354, 15841), (2263, 9478), (4526, 4739)]