21566005

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{2711}}^1$

素因数の和:2796

約数の個数: 16

約数和(自身を含む): 27206784

約数和(自身を除く): 5640779

約数列:

[1, 5, 37, 43, 185, 215, 1591, 2711, 7955, 13555, 100307, 116573, 501535, 582865, 4313201, 21566005]

約数ペア:

[(1, 21566005), (5, 4313201), (37, 582865), (43, 501535), (185, 116573), (215, 100307), (1591, 13555), (2711, 7955)]