21826929

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{269}}^1$

素因数の和:369

約数の個数: 32

約数和(自身を含む): 32503680

約数和(自身を除く): 10676751

約数列:

[1, 3, 17, 37, 43, 51, 111, 129, 269, 629, 731, 807, 1591, 1887, 2193, 4573, 4773, 9953, 11567, 13719, 27047, 29859, 34701, 81141, 169201, 196639, 427979, 507603, 589917, 1283937, 7275643, 21826929]

約数ペア:

[(1, 21826929), (3, 7275643), (17, 1283937), (37, 589917), (43, 507603), (51, 427979), (111, 196639), (129, 169201), (269, 81141), (629, 34701), (731, 29859), (807, 27047), (1591, 13719), (1887, 11567), (2193, 9953), (4573, 4773)]