21891498

素因数分解:

$2^1\times 3^1\times {\mathrm{127}}^1\times {\mathrm{28729}}^1$

素因数の和:28861

約数の個数: 16

約数和(自身を含む): 44129280

約数和(自身を除く): 22237782

約数列:

[1, 2, 3, 6, 127, 254, 381, 762, 28729, 57458, 86187, 172374, 3648583, 7297166, 10945749, 21891498]

約数ペア:

[(1, 21891498), (2, 10945749), (3, 7297166), (6, 3648583), (127, 172374), (254, 86187), (381, 57458), (762, 28729)]