21815091

素因数分解:

$3^2\times {\mathrm{101}}^1\times {\mathrm{103}}^1\times {\mathrm{233}}^1$

素因数の和:443

約数の個数: 24

約数和(自身を含む): 32269536

約数和(自身を除く): 10454445

約数列:

[1, 3, 9, 101, 103, 233, 303, 309, 699, 909, 927, 2097, 10403, 23533, 23999, 31209, 70599, 71997, 93627, 211797, 215991, 2423899, 7271697, 21815091]

約数ペア:

[(1, 21815091), (3, 7271697), (9, 2423899), (101, 215991), (103, 211797), (233, 93627), (303, 71997), (309, 70599), (699, 31209), (909, 23999), (927, 23533), (2097, 10403)]