21092590

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{523}}^1$

素因数の和:676

約数の個数: 32

約数和(自身を含む): 39425760

約数和(自身を除く): 18333170

約数列:

[1, 2, 5, 10, 37, 74, 109, 185, 218, 370, 523, 545, 1046, 1090, 2615, 4033, 5230, 8066, 19351, 20165, 38702, 40330, 57007, 96755, 114014, 193510, 285035, 570070, 2109259, 4218518, 10546295, 21092590]

約数ペア:

[(1, 21092590), (2, 10546295), (5, 4218518), (10, 2109259), (37, 570070), (74, 285035), (109, 193510), (185, 114014), (218, 96755), (370, 57007), (523, 40330), (545, 38702), (1046, 20165), (1090, 19351), (2615, 8066), (4033, 5230)]