21091468

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{173}}^1\times {\mathrm{1051}}^1$

素因数の和:1257

約数の個数: 24

約数和(自身を含む): 38440080

約数和(自身を除く): 17348612

約数列:

[1, 2, 4, 29, 58, 116, 173, 346, 692, 1051, 2102, 4204, 5017, 10034, 20068, 30479, 60958, 121916, 181823, 363646, 727292, 5272867, 10545734, 21091468]

約数ペア:

[(1, 21091468), (2, 10545734), (4, 5272867), (29, 727292), (58, 363646), (116, 181823), (173, 121916), (346, 60958), (692, 30479), (1051, 20068), (2102, 10034), (4204, 5017)]