21844615

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{293}}^1$

素因数の和:379

約数の個数: 32

約数和(自身を含む): 30030336

約数和(自身を除く): 8185721

約数列:

[1, 5, 13, 31, 37, 65, 155, 185, 293, 403, 481, 1147, 1465, 2015, 2405, 3809, 5735, 9083, 10841, 14911, 19045, 45415, 54205, 74555, 118079, 140933, 336071, 590395, 704665, 1680355, 4368923, 21844615]

約数ペア:

[(1, 21844615), (5, 4368923), (13, 1680355), (31, 704665), (37, 590395), (65, 336071), (155, 140933), (185, 118079), (293, 74555), (403, 54205), (481, 45415), (1147, 19045), (1465, 14911), (2015, 10841), (2405, 9083), (3809, 5735)]