21089103

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{163}}^1$

素因数の和:335

約数の個数: 32

約数和(自身を含む): 33188352

約数和(自身を除く): 12099249

約数列:

[1, 3, 7, 21, 61, 101, 163, 183, 303, 427, 489, 707, 1141, 1281, 2121, 3423, 6161, 9943, 16463, 18483, 29829, 43127, 49389, 69601, 115241, 129381, 208803, 345723, 1004243, 3012729, 7029701, 21089103]

約数ペア:

[(1, 21089103), (3, 7029701), (7, 3012729), (21, 1004243), (61, 345723), (101, 208803), (163, 129381), (183, 115241), (303, 69601), (427, 49389), (489, 43127), (707, 29829), (1141, 18483), (1281, 16463), (2121, 9943), (3423, 6161)]