21830874

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{279883}}^1$

素因数の和:279901

約数の個数: 16

約数和(自身を含む): 47020512

約数和(自身を除く): 25189638

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 279883, 559766, 839649, 1679298, 3638479, 7276958, 10915437, 21830874]

約数ペア:

[(1, 21830874), (2, 10915437), (3, 7276958), (6, 3638479), (13, 1679298), (26, 839649), (39, 559766), (78, 279883)]