21310072

素因数分解:

$2^3\times 7^1\times {\mathrm{443}}^1\times {\mathrm{859}}^1$

素因数の和:1315

約数の個数: 32

約数和(自身を含む): 45820800

約数和(自身を除く): 24510728

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 443, 859, 886, 1718, 1772, 3101, 3436, 3544, 6013, 6202, 6872, 12026, 12404, 24052, 24808, 48104, 380537, 761074, 1522148, 2663759, 3044296, 5327518, 10655036, 21310072]

約数ペア:

[(1, 21310072), (2, 10655036), (4, 5327518), (7, 3044296), (8, 2663759), (14, 1522148), (28, 761074), (56, 380537), (443, 48104), (859, 24808), (886, 24052), (1718, 12404), (1772, 12026), (3101, 6872), (3436, 6202), (3544, 6013)]