21104930

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{27409}}^1$

素因数の和:27434

約数の個数: 32

約数和(自身を含む): 47364480

約数和(自身を除く): 26259550

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 770, 27409, 54818, 137045, 191863, 274090, 301499, 383726, 602998, 959315, 1507495, 1918630, 2110493, 3014990, 4220986, 10552465, 21104930]

約数ペア:

[(1, 21104930), (2, 10552465), (5, 4220986), (7, 3014990), (10, 2110493), (11, 1918630), (14, 1507495), (22, 959315), (35, 602998), (55, 383726), (70, 301499), (77, 274090), (110, 191863), (154, 137045), (385, 54818), (770, 27409)]