20213854521

素因数分解:

$3^1\times 7^1\times {\mathrm{9733}}^1\times {\mathrm{98897}}^1$

素因数の和:108640

約数の個数: 16

約数和(自身を含む): 30805540224

約数和(自身を除く): 10591685703

約数列:

[1, 3, 7, 21, 9733, 29199, 68131, 98897, 204393, 296691, 692279, 2076837, 962564501, 2887693503, 6737951507, 20213854521]

約数ペア:

[(1, 20213854521), (3, 6737951507), (7, 2887693503), (21, 962564501), (9733, 2076837), (29199, 692279), (68131, 296691), (98897, 204393)]