21213786

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{293}}^1\times {\mathrm{1097}}^1$

素因数の和:1406

約数の個数: 32

約数和(自身を含む): 46484928

約数和(自身を除く): 25271142

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 293, 586, 879, 1097, 1758, 2194, 3223, 3291, 6446, 6582, 9669, 12067, 19338, 24134, 36201, 72402, 321421, 642842, 964263, 1928526, 3535631, 7071262, 10606893, 21213786]

約数ペア:

[(1, 21213786), (2, 10606893), (3, 7071262), (6, 3535631), (11, 1928526), (22, 964263), (33, 642842), (66, 321421), (293, 72402), (586, 36201), (879, 24134), (1097, 19338), (1758, 12067), (2194, 9669), (3223, 6582), (3291, 6446)]