21911320

素因数分解:

$2^3\times 5^1\times {\mathrm{233}}^1\times {\mathrm{2351}}^1$

素因数の和:2595

約数の個数: 32

約数和(自身を含む): 49533120

約数和(自身を除く): 27621800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 233, 466, 932, 1165, 1864, 2330, 2351, 4660, 4702, 9320, 9404, 11755, 18808, 23510, 47020, 94040, 547783, 1095566, 2191132, 2738915, 4382264, 5477830, 10955660, 21911320]

約数ペア:

[(1, 21911320), (2, 10955660), (4, 5477830), (5, 4382264), (8, 2738915), (10, 2191132), (20, 1095566), (40, 547783), (233, 94040), (466, 47020), (932, 23510), (1165, 18808), (1864, 11755), (2330, 9404), (2351, 9320), (4660, 4702)]