21738152

素因数分解:

$2^3\times {\mathrm{1097}}^1\times {\mathrm{2477}}^1$

素因数の和:3580

約数の個数: 16

約数和(自身を含む): 40812660

約数和(自身を除く): 19074508

約数列:

[1, 2, 4, 8, 1097, 2194, 2477, 4388, 4954, 8776, 9908, 19816, 2717269, 5434538, 10869076, 21738152]

約数ペア:

[(1, 21738152), (2, 10869076), (4, 5434538), (8, 2717269), (1097, 19816), (2194, 9908), (2477, 8776), (4388, 4954)]