21015974

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{65267}}^1$

素因数の和:65299

約数の個数: 16

約数和(自身を含む): 37594368

約数和(自身を除く): 16578394

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 65267, 130534, 456869, 913738, 1501141, 3002282, 10507987, 21015974]

約数ペア:

[(1, 21015974), (2, 10507987), (7, 3002282), (14, 1501141), (23, 913738), (46, 456869), (161, 130534), (322, 65267)]