21171474

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{383}}^1$

素因数の和:511

約数の個数: 48

約数和(自身を含む): 47803392

約数和(自身を除く): 26631918

約数列:

[1, 2, 3, 6, 9, 18, 37, 74, 83, 111, 166, 222, 249, 333, 383, 498, 666, 747, 766, 1149, 1494, 2298, 3071, 3447, 6142, 6894, 9213, 14171, 18426, 27639, 28342, 31789, 42513, 55278, 63578, 85026, 95367, 127539, 190734, 255078, 286101, 572202, 1176193, 2352386, 3528579, 7057158, 10585737, 21171474]

約数ペア:

[(1, 21171474), (2, 10585737), (3, 7057158), (6, 3528579), (9, 2352386), (18, 1176193), (37, 572202), (74, 286101), (83, 255078), (111, 190734), (166, 127539), (222, 95367), (249, 85026), (333, 63578), (383, 55278), (498, 42513), (666, 31789), (747, 28342), (766, 27639), (1149, 18426), (1494, 14171), (2298, 9213), (3071, 6894), (3447, 6142)]