21828357

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{6203}}^1$

素因数の和:6249

約数の個数: 24

約数和(自身を含む): 34841664

約数和(自身を除く): 13013307

約数列:

[1, 3, 9, 17, 23, 51, 69, 153, 207, 391, 1173, 3519, 6203, 18609, 55827, 105451, 142669, 316353, 428007, 949059, 1284021, 2425373, 7276119, 21828357]

約数ペア:

[(1, 21828357), (3, 7276119), (9, 2425373), (17, 1284021), (23, 949059), (51, 428007), (69, 316353), (153, 142669), (207, 105451), (391, 55827), (1173, 18609), (3519, 6203)]