21998834

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{76919}}^1$

素因数の和:76945

約数の個数: 16

約数和(自身を含む): 38767680

約数和(自身を除く): 16768846

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 76919, 153838, 846109, 999947, 1692218, 1999894, 10999417, 21998834]

約数ペア:

[(1, 21998834), (2, 10999417), (11, 1999894), (13, 1692218), (22, 999947), (26, 846109), (143, 153838), (286, 76919)]