21802454

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1\times {\mathrm{1693}}^1$

素因数の和:1879

約数の個数: 16

約数和(自身を含む): 33663168

約数和(自身を除く): 11860714

約数列:

[1, 2, 47, 94, 137, 274, 1693, 3386, 6439, 12878, 79571, 159142, 231941, 463882, 10901227, 21802454]

約数ペア:

[(1, 21802454), (2, 10901227), (47, 463882), (94, 231941), (137, 159142), (274, 79571), (1693, 12878), (3386, 6439)]