21314839

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{3299}}^1$

素因数の和:3390

約数の個数: 16

約数和(自身を含む): 26611200

約数和(自身を除く): 5296361

約数列:

[1, 7, 13, 71, 91, 497, 923, 3299, 6461, 23093, 42887, 234229, 300209, 1639603, 3044977, 21314839]

約数ペア:

[(1, 21314839), (7, 3044977), (13, 1639603), (71, 300209), (91, 234229), (497, 42887), (923, 23093), (3299, 6461)]