21217322

素因数分解:

$2^1\times 7^1\times {\mathrm{419}}^1\times {\mathrm{3617}}^1$

素因数の和:4045

約数の個数: 16

約数和(自身を含む): 36469440

約数和(自身を除く): 15252118

約数列:

[1, 2, 7, 14, 419, 838, 2933, 3617, 5866, 7234, 25319, 50638, 1515523, 3031046, 10608661, 21217322]

約数ペア:

[(1, 21217322), (2, 10608661), (7, 3031046), (14, 1515523), (419, 50638), (838, 25319), (2933, 7234), (3617, 5866)]