17942421

素因数分解:

$3^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{2089}}^1$

素因数の和:2508

約数の個数: 16

約数和(自身を含む): 27420800

約数和(自身を除く): 9478379

約数列:

[1, 3, 7, 21, 409, 1227, 2089, 2863, 6267, 8589, 14623, 43869, 854401, 2563203, 5980807, 17942421]

約数ペア:

[(1, 17942421), (3, 5980807), (7, 2563203), (21, 854401), (409, 43869), (1227, 14623), (2089, 8589), (2863, 6267)]