21033123

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{271}}^1\times {\mathrm{631}}^1$

素因数の和:946

約数の個数: 16

約数和(自身を含む): 28879872

約数和(自身を除く): 7846749

約数列:

[1, 3, 41, 123, 271, 631, 813, 1893, 11111, 25871, 33333, 77613, 171001, 513003, 7011041, 21033123]

約数ペア:

[(1, 21033123), (3, 7011041), (41, 513003), (123, 171001), (271, 77613), (631, 33333), (813, 25871), (1893, 11111)]