21096801

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{283}}^1$

素因数の和:554

約数の個数: 32

約数和(自身を含む): 34352640

約数和(自身を除く): 13255839

約数列:

[1, 3, 9, 11, 27, 33, 99, 251, 283, 297, 753, 849, 2259, 2547, 2761, 3113, 6777, 7641, 8283, 9339, 24849, 28017, 71033, 74547, 84051, 213099, 639297, 781363, 1917891, 2344089, 7032267, 21096801]

約数ペア:

[(1, 21096801), (3, 7032267), (9, 2344089), (11, 1917891), (27, 781363), (33, 639297), (99, 213099), (251, 84051), (283, 74547), (297, 71033), (753, 28017), (849, 24849), (2259, 9339), (2547, 8283), (2761, 7641), (3113, 6777)]