21897894

素因数分解:

$2^1\times 3^1\times {\mathrm{421}}^1\times {\mathrm{8669}}^1$

素因数の和:9095

約数の個数: 16

約数和(自身を含む): 43904880

約数和(自身を除く): 22006986

約数列:

[1, 2, 3, 6, 421, 842, 1263, 2526, 8669, 17338, 26007, 52014, 3649649, 7299298, 10948947, 21897894]

約数ペア:

[(1, 21897894), (2, 10948947), (3, 7299298), (6, 3649649), (421, 52014), (842, 26007), (1263, 17338), (2526, 8669)]