20212822269

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{39401213}}^1$

素因数の和:39401241

約数の個数: 16

約数和(自身を含む): 31520971200

約数和(自身を除く): 11308148931

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 39401213, 118203639, 354610917, 748623047, 1063832751, 2245869141, 6737607423, 20212822269]

約数ペア:

[(1, 20212822269), (3, 6737607423), (9, 2245869141), (19, 1063832751), (27, 748623047), (57, 354610917), (171, 118203639), (513, 39401213)]