21922768

素因数分解:

$2^4\times 7^1\times {\mathrm{195739}}^1$

素因数の和:195754

約数の個数: 20

約数和(自身を含む): 48543520

約数和(自身を除く): 26620752

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 195739, 391478, 782956, 1370173, 1565912, 2740346, 3131824, 5480692, 10961384, 21922768]

約数ペア:

[(1, 21922768), (2, 10961384), (4, 5480692), (7, 3131824), (8, 2740346), (14, 1565912), (16, 1370173), (28, 782956), (56, 391478), (112, 195739)]