21723273

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{16879}}^1$

素因数の和:16909

約数の個数: 24

約数和(自身を含む): 36865920

約数和(自身を除く): 15142647

約数列:

[1, 3, 9, 11, 13, 33, 39, 99, 117, 143, 429, 1287, 16879, 50637, 151911, 185669, 219427, 557007, 658281, 1671021, 1974843, 2413697, 7241091, 21723273]

約数ペア:

[(1, 21723273), (3, 7241091), (9, 2413697), (11, 1974843), (13, 1671021), (33, 658281), (39, 557007), (99, 219427), (117, 185669), (143, 151911), (429, 50637), (1287, 16879)]