21193590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{64223}}^1$

素因数の和:64244

約数の個数: 32

約数和(自身を含む): 55489536

約数和(自身を除く): 34295946

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 165, 330, 64223, 128446, 192669, 321115, 385338, 642230, 706453, 963345, 1412906, 1926690, 2119359, 3532265, 4238718, 7064530, 10596795, 21193590]

約数ペア:

[(1, 21193590), (2, 10596795), (3, 7064530), (5, 4238718), (6, 3532265), (10, 2119359), (11, 1926690), (15, 1412906), (22, 963345), (30, 706453), (33, 642230), (55, 385338), (66, 321115), (110, 192669), (165, 128446), (330, 64223)]