21219246

素因数分解:

$2^1\times 3^5\times {\mathrm{43661}}^1$

素因数の和:43678

約数の個数: 24

約数和(自身を含む): 47678904

約数和(自身を除く): 26459658

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 243, 486, 43661, 87322, 130983, 261966, 392949, 785898, 1178847, 2357694, 3536541, 7073082, 10609623, 21219246]

約数ペア:

[(1, 21219246), (2, 10609623), (3, 7073082), (6, 3536541), (9, 2357694), (18, 1178847), (27, 785898), (54, 392949), (81, 261966), (162, 130983), (243, 87322), (486, 43661)]