21732381

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{24391}}^1$

素因数の和:24414

約数の個数: 20

約数和(自身を含む): 35417184

約数和(自身を除く): 13684803

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 891, 24391, 73173, 219519, 268301, 658557, 804903, 1975671, 2414709, 7244127, 21732381]

約数ペア:

[(1, 21732381), (3, 7244127), (9, 2414709), (11, 1975671), (27, 804903), (33, 658557), (81, 268301), (99, 219519), (297, 73173), (891, 24391)]