21641613

素因数分解:

$3^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{17467}}^1$

素因数の和:17536

約数の個数: 16

約数和(自身を含む): 33538560

約数和(自身を除く): 11896947

約数列:

[1, 3, 7, 21, 59, 177, 413, 1239, 17467, 52401, 122269, 366807, 1030553, 3091659, 7213871, 21641613]

約数ペア:

[(1, 21641613), (3, 7213871), (7, 3091659), (21, 1030553), (59, 366807), (177, 122269), (413, 52401), (1239, 17467)]