21103390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{27407}}^1$

素因数の和:27432

約数の個数: 32

約数和(自身を含む): 47361024

約数和(自身を除く): 26257634

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 770, 27407, 54814, 137035, 191849, 274070, 301477, 383698, 602954, 959245, 1507385, 1918490, 2110339, 3014770, 4220678, 10551695, 21103390]

約数ペア:

[(1, 21103390), (2, 10551695), (5, 4220678), (7, 3014770), (10, 2110339), (11, 1918490), (14, 1507385), (22, 959245), (35, 602954), (55, 383698), (70, 301477), (77, 274070), (110, 191849), (154, 137035), (385, 54814), (770, 27407)]