21096159

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{14149}}^1$

素因数の和:14230

約数の個数: 16

約数和(自身を含む): 32601600

約数和(自身を除く): 11505441

約数列:

[1, 3, 7, 21, 71, 213, 497, 1491, 14149, 42447, 99043, 297129, 1004579, 3013737, 7032053, 21096159]

約数ペア:

[(1, 21096159), (3, 7032053), (7, 3013737), (21, 1004579), (71, 297129), (213, 99043), (497, 42447), (1491, 14149)]