21723441

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{3929}}^1$

素因数の和:4048

約数の個数: 16

約数和(自身を含む): 30811200

約数和(自身を除く): 9087759

約数列:

[1, 3, 19, 57, 97, 291, 1843, 3929, 5529, 11787, 74651, 223953, 381113, 1143339, 7241147, 21723441]

約数ペア:

[(1, 21723441), (3, 7241147), (19, 1143339), (57, 381113), (97, 223953), (291, 74651), (1843, 11787), (3929, 5529)]