21494585

素因数分解:

$5^1\times 7^2\times {\mathrm{59}}^1\times {\mathrm{1487}}^1$

素因数の和:1565

約数の個数: 24

約数和(自身を含む): 30533760

約数和(自身を除く): 9039175

約数列:

[1, 5, 7, 35, 49, 59, 245, 295, 413, 1487, 2065, 2891, 7435, 10409, 14455, 52045, 72863, 87733, 364315, 438665, 614131, 3070655, 4298917, 21494585]

約数ペア:

[(1, 21494585), (5, 4298917), (7, 3070655), (35, 614131), (49, 438665), (59, 364315), (245, 87733), (295, 72863), (413, 52045), (1487, 14455), (2065, 10409), (2891, 7435)]