20911086

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{165961}}^1$

素因数の和:165976

約数の個数: 24

約数和(自身を含む): 51780144

約数和(自身を除く): 30869058

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 165961, 331922, 497883, 995766, 1161727, 1493649, 2323454, 2987298, 3485181, 6970362, 10455543, 20911086]

約数ペア:

[(1, 20911086), (2, 10455543), (3, 6970362), (6, 3485181), (7, 2987298), (9, 2323454), (14, 1493649), (18, 1161727), (21, 995766), (42, 497883), (63, 331922), (126, 165961)]