21886473

素因数分解:

$3^1\times 7^1\times {\mathrm{463}}^1\times {\mathrm{2251}}^1$

素因数の和:2724

約数の個数: 16

約数和(自身を含む): 33437696

約数和(自身を除く): 11551223

約数列:

[1, 3, 7, 21, 463, 1389, 2251, 3241, 6753, 9723, 15757, 47271, 1042213, 3126639, 7295491, 21886473]

約数ペア:

[(1, 21886473), (3, 7295491), (7, 3126639), (21, 1042213), (463, 47271), (1389, 15757), (2251, 9723), (3241, 6753)]