21206856

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{80329}}^1$

素因数の和:80349

約数の個数: 32

約数和(自身を含む): 57837600

約数和(自身を除く): 36630744

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 132, 264, 80329, 160658, 240987, 321316, 481974, 642632, 883619, 963948, 1767238, 1927896, 2650857, 3534476, 5301714, 7068952, 10603428, 21206856]

約数ペア:

[(1, 21206856), (2, 10603428), (3, 7068952), (4, 5301714), (6, 3534476), (8, 2650857), (11, 1927896), (12, 1767238), (22, 963948), (24, 883619), (33, 642632), (44, 481974), (66, 321316), (88, 240987), (132, 160658), (264, 80329)]