21977082

素因数分解:

$2^1\times 3^4\times {\mathrm{135661}}^1$

素因数の和:135675

約数の個数: 20

約数和(自身を含む): 49245306

約数和(自身を除く): 27268224

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 135661, 271322, 406983, 813966, 1220949, 2441898, 3662847, 7325694, 10988541, 21977082]

約数ペア:

[(1, 21977082), (2, 10988541), (3, 7325694), (6, 3662847), (9, 2441898), (18, 1220949), (27, 813966), (54, 406983), (81, 271322), (162, 135661)]