21976227

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{26833}}^1$

素因数の和:26859

約数の個数: 24

約数和(自身を含む): 39070304

約数和(自身を除く): 17094077

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 26833, 80499, 187831, 241497, 348829, 563493, 1046487, 1690479, 2441803, 3139461, 7325409, 21976227]

約数ペア:

[(1, 21976227), (3, 7325409), (7, 3139461), (9, 2441803), (13, 1690479), (21, 1046487), (39, 563493), (63, 348829), (91, 241497), (117, 187831), (273, 80499), (819, 26833)]