21011010985

素因数分解:

$5^1\times {\mathrm{409}}^1\times {\mathrm{1753}}^1\times {\mathrm{5861}}^1$

素因数の和:8028

約数の個数: 16

約数和(自身を含む): 25293592080

約数和(自身を除く): 4282581095

約数列:

[1, 5, 409, 1753, 2045, 5861, 8765, 29305, 716977, 2397149, 3584885, 10274333, 11985745, 51371665, 4202202197, 21011010985]

約数ペア:

[(1, 21011010985), (5, 4202202197), (409, 51371665), (1753, 11985745), (2045, 10274333), (5861, 3584885), (8765, 2397149), (29305, 716977)]