22251955

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{421}}^1$

素因数の和:499

約数の個数: 24

約数和(自身を含む): 30171312

約数和(自身を除く): 7919357

約数列:

[1, 5, 11, 31, 55, 155, 341, 421, 961, 1705, 2105, 4631, 4805, 10571, 13051, 23155, 52855, 65255, 143561, 404581, 717805, 2022905, 4450391, 22251955]

約数ペア:

[(1, 22251955), (5, 4450391), (11, 2022905), (31, 717805), (55, 404581), (155, 143561), (341, 65255), (421, 52855), (961, 23155), (1705, 13051), (2105, 10571), (4631, 4805)]