21237303

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{7507}}^1$

素因数の和:7574

約数の個数: 16

約数和(自身を含む): 30272256

約数和(自身を除く): 9034953

約数列:

[1, 3, 23, 41, 69, 123, 943, 2829, 7507, 22521, 172661, 307787, 517983, 923361, 7079101, 21237303]

約数ペア:

[(1, 21237303), (3, 7079101), (23, 923361), (41, 517983), (69, 307787), (123, 172661), (943, 22521), (2829, 7507)]