21795510

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{66047}}^1$

素因数の和:66068

約数の個数: 32

約数和(自身を含む): 57065472

約数和(自身を除く): 35269962

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 165, 330, 66047, 132094, 198141, 330235, 396282, 660470, 726517, 990705, 1453034, 1981410, 2179551, 3632585, 4359102, 7265170, 10897755, 21795510]

約数ペア:

[(1, 21795510), (2, 10897755), (3, 7265170), (5, 4359102), (6, 3632585), (10, 2179551), (11, 1981410), (15, 1453034), (22, 990705), (30, 726517), (33, 660470), (55, 396282), (66, 330235), (110, 198141), (165, 132094), (330, 66047)]