21266529

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{509}}^1\times {\mathrm{733}}^1$

素因数の和:1264

約数の個数: 16

約数和(自身を含む): 29947200

約数和(自身を除く): 8680671

約数列:

[1, 3, 19, 57, 509, 733, 1527, 2199, 9671, 13927, 29013, 41781, 373097, 1119291, 7088843, 21266529]

約数ペア:

[(1, 21266529), (3, 7088843), (19, 1119291), (57, 373097), (509, 41781), (733, 29013), (1527, 13927), (2199, 9671)]