21629478

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{277301}}^1$

素因数の和:277319

約数の個数: 16

約数和(自身を含む): 46586736

約数和(自身を除く): 24957258

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 277301, 554602, 831903, 1663806, 3604913, 7209826, 10814739, 21629478]

約数ペア:

[(1, 21629478), (2, 10814739), (3, 7209826), (6, 3604913), (13, 1663806), (26, 831903), (39, 554602), (78, 277301)]