21722019

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{269}}^1\times {\mathrm{2447}}^1$

素因数の和:2730

約数の個数: 16

約数和(自身を含む): 31726080

約数和(自身を除く): 10004061

約数列:

[1, 3, 11, 33, 269, 807, 2447, 2959, 7341, 8877, 26917, 80751, 658243, 1974729, 7240673, 21722019]

約数ペア:

[(1, 21722019), (3, 7240673), (11, 1974729), (33, 658243), (269, 80751), (807, 26917), (2447, 8877), (2959, 7341)]