21379626

素因数分解:

$2^1\times 3^5\times {\mathrm{43991}}^1$

素因数の和:44008

約数の個数: 24

約数和(自身を含む): 48039264

約数和(自身を除く): 26659638

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 243, 486, 43991, 87982, 131973, 263946, 395919, 791838, 1187757, 2375514, 3563271, 7126542, 10689813, 21379626]

約数ペア:

[(1, 21379626), (2, 10689813), (3, 7126542), (6, 3563271), (9, 2375514), (18, 1187757), (27, 791838), (54, 395919), (81, 263946), (162, 131973), (243, 87982), (486, 43991)]