21798111

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{13187}}^1$

素因数の和:13238

約数の個数: 16

約数和(自身を含む): 31651200

約数和(自身を除く): 9853089

約数列:

[1, 3, 19, 29, 57, 87, 551, 1653, 13187, 39561, 250553, 382423, 751659, 1147269, 7266037, 21798111]

約数ペア:

[(1, 21798111), (3, 7266037), (19, 1147269), (29, 751659), (57, 382423), (87, 250553), (551, 39561), (1653, 13187)]