21463029

素因数分解:

$3^3\times 7^2\times {\mathrm{16223}}^1$

素因数の和:16246

約数の個数: 24

約数和(自身を含む): 36990720

約数和(自身を除く): 15527691

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 16223, 48669, 113561, 146007, 340683, 438021, 794927, 1022049, 2384781, 3066147, 7154343, 21463029]

約数ペア:

[(1, 21463029), (3, 7154343), (7, 3066147), (9, 2384781), (21, 1022049), (27, 794927), (49, 438021), (63, 340683), (147, 146007), (189, 113561), (441, 48669), (1323, 16223)]