21211773

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{27947}}^1$

素因数の和:27984

約数の個数: 16

約数和(自身を含む): 32196096

約数和(自身を除く): 10984323

約数列:

[1, 3, 11, 23, 33, 69, 253, 759, 27947, 83841, 307417, 642781, 922251, 1928343, 7070591, 21211773]

約数ペア:

[(1, 21211773), (3, 7070591), (11, 1928343), (23, 922251), (33, 642781), (69, 307417), (253, 83841), (759, 27947)]