21606741

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{1223}}^1$

素因数の和:1393

約数の個数: 24

約数和(自身を含む): 33860736

約数和(自身を除く): 12253995

約数列:

[1, 3, 9, 13, 39, 117, 151, 453, 1223, 1359, 1963, 3669, 5889, 11007, 15899, 17667, 47697, 143091, 184673, 554019, 1662057, 2400749, 7202247, 21606741]

約数ペア:

[(1, 21606741), (3, 7202247), (9, 2400749), (13, 1662057), (39, 554019), (117, 184673), (151, 143091), (453, 47697), (1223, 17667), (1359, 15899), (1963, 11007), (3669, 5889)]