21296145

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109211}}^1$

素因数の和:109232

約数の個数: 16

約数和(自身を含む): 36695232

約数和(自身を除く): 15399087

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 109211, 327633, 546055, 1419743, 1638165, 4259229, 7098715, 21296145]

約数ペア:

[(1, 21296145), (3, 7098715), (5, 4259229), (13, 1638165), (15, 1419743), (39, 546055), (65, 327633), (195, 109211)]