21360899945

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1290299}}^1$

素因数の和:1290365

約数の個数: 32

約数和(自身を含む): 32701363200

約数和(自身を除く): 11340463255

約数列:

[1, 5, 7, 11, 35, 43, 55, 77, 215, 301, 385, 473, 1505, 2365, 3311, 16555, 1290299, 6451495, 9032093, 14193289, 45160465, 55482857, 70966445, 99353023, 277414285, 388379999, 496765115, 610311427, 1941899995, 3051557135, 4272179989, 21360899945]

約数ペア:

[(1, 21360899945), (5, 4272179989), (7, 3051557135), (11, 1941899995), (35, 610311427), (43, 496765115), (55, 388379999), (77, 277414285), (215, 99353023), (301, 70966445), (385, 55482857), (473, 45160465), (1505, 14193289), (2365, 9032093), (3311, 6451495), (16555, 1290299)]