21095451

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{60101}}^1$

素因数の和:60123

約数の個数: 16

約数和(自身を含む): 33657120

約数和(自身を除く): 12561669

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 60101, 180303, 540909, 781313, 1622727, 2343939, 7031817, 21095451]

約数ペア:

[(1, 21095451), (3, 7031817), (9, 2343939), (13, 1622727), (27, 781313), (39, 540909), (117, 180303), (351, 60101)]