21243843

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{41411}}^1$

素因数の和:41439

約数の個数: 16

約数和(自身を含む): 33129600

約数和(自身を除く): 11885757

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 41411, 124233, 372699, 786809, 1118097, 2360427, 7081281, 21243843]

約数ペア:

[(1, 21243843), (3, 7081281), (9, 2360427), (19, 1118097), (27, 786809), (57, 372699), (171, 124233), (513, 41411)]