21655712

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{52057}}^1$

素因数の和:52080

約数の個数: 24

約数和(自身を含む): 45915156

約数和(自身を除く): 24259444

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 52057, 104114, 208228, 416456, 676741, 832912, 1353482, 1665824, 2706964, 5413928, 10827856, 21655712]

約数ペア:

[(1, 21655712), (2, 10827856), (4, 5413928), (8, 2706964), (13, 1665824), (16, 1353482), (26, 832912), (32, 676741), (52, 416456), (104, 208228), (208, 104114), (416, 52057)]