21609531

素因数分解:

$3^3\times {\mathrm{53}}^1\times {\mathrm{15101}}^1$

素因数の和:15163

約数の個数: 16

約数和(自身を含む): 32620320

約数和(自身を除く): 11010789

約数列:

[1, 3, 9, 27, 53, 159, 477, 1431, 15101, 45303, 135909, 407727, 800353, 2401059, 7203177, 21609531]

約数ペア:

[(1, 21609531), (3, 7203177), (9, 2401059), (27, 800353), (53, 407727), (159, 135909), (477, 45303), (1431, 15101)]