21611139

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{8971}}^1$

素因数の和:9058

約数の個数: 16

約数和(自身を含む): 31868544

約数和(自身を除く): 10257405

約数列:

[1, 3, 11, 33, 73, 219, 803, 2409, 8971, 26913, 98681, 296043, 654883, 1964649, 7203713, 21611139]

約数ペア:

[(1, 21611139), (3, 7203713), (11, 1964649), (33, 654883), (73, 296043), (219, 98681), (803, 26913), (2409, 8971)]