21282679

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{1289}}^1$

素因数の和:1398

約数の個数: 16

約数和(自身を含む): 24768000

約数和(自身を除く): 3485321

約数列:

[1, 11, 19, 79, 209, 869, 1289, 1501, 14179, 16511, 24491, 101831, 269401, 1120141, 1934789, 21282679]

約数ペア:

[(1, 21282679), (11, 1934789), (19, 1120141), (79, 269401), (209, 101831), (869, 24491), (1289, 16511), (1501, 14179)]