21319139

素因数分解:

${\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{419}}^1$

素因数の和:550

約数の個数: 16

約数和(自身を含む): 23496480

約数和(自身を除く): 2177341

約数列:

[1, 17, 41, 73, 419, 697, 1241, 2993, 7123, 17179, 30587, 50881, 292043, 519979, 1254067, 21319139]

約数ペア:

[(1, 21319139), (17, 1254067), (41, 519979), (73, 292043), (419, 50881), (697, 30587), (1241, 17179), (2993, 7123)]