21982898

素因数分解:

$2^1\times 7^1\times {\mathrm{563}}^1\times {\mathrm{2789}}^1$

素因数の和:3361

約数の個数: 16

約数和(自身を含む): 37765440

約数和(自身を除く): 15782542

約数列:

[1, 2, 7, 14, 563, 1126, 2789, 3941, 5578, 7882, 19523, 39046, 1570207, 3140414, 10991449, 21982898]

約数ペア:

[(1, 21982898), (2, 10991449), (7, 3140414), (14, 1570207), (563, 39046), (1126, 19523), (2789, 7882), (3941, 5578)]