21261866

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{14543}}^1$

素因数の和:14605

約数の個数: 16

約数和(自身を含む): 34556544

約数和(自身を除く): 13294678

約数列:

[1, 2, 17, 34, 43, 86, 731, 1462, 14543, 29086, 247231, 494462, 625349, 1250698, 10630933, 21261866]

約数ペア:

[(1, 21261866), (2, 10630933), (17, 1250698), (34, 625349), (43, 494462), (86, 247231), (731, 29086), (1462, 14543)]