21533667

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{419}}^1\times {\mathrm{463}}^1$

素因数の和:922

約数の個数: 16

約数和(自身を含む): 29621760

約数和(自身を除く): 8088093

約数列:

[1, 3, 37, 111, 419, 463, 1257, 1389, 15503, 17131, 46509, 51393, 193997, 581991, 7177889, 21533667]

約数ペア:

[(1, 21533667), (3, 7177889), (37, 581991), (111, 193997), (419, 51393), (463, 46509), (1257, 17131), (1389, 15503)]