21963291

素因数分解:

$3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{14327}}^1$

素因数の和:14410

約数の個数: 16

約数和(自身を含む): 33928704

約数和(自身を除く): 11965413

約数列:

[1, 3, 7, 21, 73, 219, 511, 1533, 14327, 42981, 100289, 300867, 1045871, 3137613, 7321097, 21963291]

約数ペア:

[(1, 21963291), (3, 7321097), (7, 3137613), (21, 1045871), (73, 300867), (219, 100289), (511, 42981), (1533, 14327)]