21837804

素因数分解:

$2^2\times 3^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1\times {\mathrm{257}}^1$

素因数の和:434

約数の個数: 48

約数和(自身を含む): 52388448

約数和(自身を除く): 30550644

約数列:

[1, 2, 3, 4, 6, 12, 73, 97, 146, 194, 219, 257, 291, 292, 388, 438, 514, 582, 771, 876, 1028, 1164, 1542, 3084, 7081, 14162, 18761, 21243, 24929, 28324, 37522, 42486, 49858, 56283, 74787, 75044, 84972, 99716, 112566, 149574, 225132, 299148, 1819817, 3639634, 5459451, 7279268, 10918902, 21837804]

約数ペア:

[(1, 21837804), (2, 10918902), (3, 7279268), (4, 5459451), (6, 3639634), (12, 1819817), (73, 299148), (97, 225132), (146, 149574), (194, 112566), (219, 99716), (257, 84972), (291, 75044), (292, 74787), (388, 56283), (438, 49858), (514, 42486), (582, 37522), (771, 28324), (876, 24929), (1028, 21243), (1164, 18761), (1542, 14162), (3084, 7081)]