21715703855

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{241}}^1\times {\mathrm{571}}^1\times {\mathrm{853}}^1$

素因数の和:1707

約数の個数: 32

約数和(自身を含む): 26952813888

約数和(自身を除く): 5237110033

約数列:

[1, 5, 37, 185, 241, 571, 853, 1205, 2855, 4265, 8917, 21127, 31561, 44585, 105635, 137611, 157805, 205573, 487063, 688055, 1027865, 2435315, 5091607, 7606201, 18021331, 25458035, 38031005, 90106655, 117382183, 586910915, 4343140771, 21715703855]

約数ペア:

[(1, 21715703855), (5, 4343140771), (37, 586910915), (185, 117382183), (241, 90106655), (571, 38031005), (853, 25458035), (1205, 18021331), (2855, 7606201), (4265, 5091607), (8917, 2435315), (21127, 1027865), (31561, 688055), (44585, 487063), (105635, 205573), (137611, 157805)]