21167972397

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{16447531}}^1$

素因数の和:16447561

約数の個数: 24

約数和(自身を含む): 35921409888

約数和(自身を除く): 14753437491

約数列:

[1, 3, 9, 11, 13, 33, 39, 99, 117, 143, 429, 1287, 16447531, 49342593, 148027779, 180922841, 213817903, 542768523, 641453709, 1628305569, 1924361127, 2351996933, 7055990799, 21167972397]

約数ペア:

[(1, 21167972397), (3, 7055990799), (9, 2351996933), (11, 1924361127), (13, 1628305569), (33, 641453709), (39, 542768523), (99, 213817903), (117, 180922841), (143, 148027779), (429, 49342593), (1287, 16447531)]