21538902

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{2027}}^1$

素因数の和:2073

約数の個数: 64

約数和(自身を含む): 56070144

約数和(自身を除く): 34531242

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 23, 33, 42, 46, 66, 69, 77, 138, 154, 161, 231, 253, 322, 462, 483, 506, 759, 966, 1518, 1771, 2027, 3542, 4054, 5313, 6081, 10626, 12162, 14189, 22297, 28378, 42567, 44594, 46621, 66891, 85134, 93242, 133782, 139863, 156079, 279726, 312158, 326347, 468237, 512831, 652694, 936474, 979041, 1025662, 1538493, 1958082, 3076986, 3589817, 7179634, 10769451, 21538902]

約数ペア:

[(1, 21538902), (2, 10769451), (3, 7179634), (6, 3589817), (7, 3076986), (11, 1958082), (14, 1538493), (21, 1025662), (22, 979041), (23, 936474), (33, 652694), (42, 512831), (46, 468237), (66, 326347), (69, 312158), (77, 279726), (138, 156079), (154, 139863), (161, 133782), (231, 93242), (253, 85134), (322, 66891), (462, 46621), (483, 44594), (506, 42567), (759, 28378), (966, 22297), (1518, 14189), (1771, 12162), (2027, 10626), (3542, 6081), (4054, 5313)]