21652856

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{142453}}^1$

素因数の和:142478

約数の個数: 16

約数和(自身を含む): 42736200

約数和(自身を除く): 21083344

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 142453, 284906, 569812, 1139624, 2706607, 5413214, 10826428, 21652856]

約数ペア:

[(1, 21652856), (2, 10826428), (4, 5413214), (8, 2706607), (19, 1139624), (38, 569812), (76, 284906), (152, 142453)]