21359433

素因数分解:

$3^1\times {\mathrm{23}}^2\times {\mathrm{43}}^1\times {\mathrm{313}}^1$

素因数の和:405

約数の個数: 24

約数和(自身を含む): 30560992

約数和(自身を除く): 9201559

約数列:

[1, 3, 23, 43, 69, 129, 313, 529, 939, 989, 1587, 2967, 7199, 13459, 21597, 22747, 40377, 68241, 165577, 309557, 496731, 928671, 7119811, 21359433]

約数ペア:

[(1, 21359433), (3, 7119811), (23, 928671), (43, 496731), (69, 309557), (129, 165577), (313, 68241), (529, 40377), (939, 22747), (989, 21597), (1587, 13459), (2967, 7199)]