21311409

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{44123}}^1$

素因数の和:44156

約数の個数: 16

約数和(自身を含む): 33887232

約数和(自身を除く): 12575823

約数列:

[1, 3, 7, 21, 23, 69, 161, 483, 44123, 132369, 308861, 926583, 1014829, 3044487, 7103803, 21311409]

約数ペア:

[(1, 21311409), (3, 7103803), (7, 3044487), (21, 1014829), (23, 926583), (69, 308861), (161, 132369), (483, 44123)]