21863217

素因数分解:

$3^1\times {\mathrm{59}}^1\times {\mathrm{149}}^1\times {\mathrm{829}}^1$

素因数の和:1040

約数の個数: 16

約数和(自身を含む): 29880000

約数和(自身を除く): 8016783

約数列:

[1, 3, 59, 149, 177, 447, 829, 2487, 8791, 26373, 48911, 123521, 146733, 370563, 7287739, 21863217]

約数ペア:

[(1, 21863217), (3, 7287739), (59, 370563), (149, 146733), (177, 123521), (447, 48911), (829, 26373), (2487, 8791)]