21712420105

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{443}}^1\times {\mathrm{264931}}^1$

素因数の和:265416

約数の個数: 16

約数和(自身を含む): 26819596224

約数和(自身を除く): 5107176119

約数列:

[1, 5, 37, 185, 443, 2215, 16391, 81955, 264931, 1324655, 9802447, 49012235, 117364433, 586822165, 4342484021, 21712420105]

約数ペア:

[(1, 21712420105), (5, 4342484021), (37, 586822165), (185, 117364433), (443, 49012235), (2215, 9802447), (16391, 1324655), (81955, 264931)]