21511647

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{6113}}^1$

素因数の和:6159

約数の個数: 24

約数和(自身を含む): 34336224

約数和(自身を除く): 12824577

約数列:

[1, 3, 9, 17, 23, 51, 69, 153, 207, 391, 1173, 3519, 6113, 18339, 55017, 103921, 140599, 311763, 421797, 935289, 1265391, 2390183, 7170549, 21511647]

約数ペア:

[(1, 21511647), (3, 7170549), (9, 2390183), (17, 1265391), (23, 935289), (51, 421797), (69, 311763), (153, 140599), (207, 103921), (391, 55017), (1173, 18339), (3519, 6113)]