21073713

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{2347}}^1$

素因数の和:2464

約数の個数: 16

約数和(自身を含む): 29190336

約数和(自身を除く): 8116623

約数列:

[1, 3, 41, 73, 123, 219, 2347, 2993, 7041, 8979, 96227, 171331, 288681, 513993, 7024571, 21073713]

約数ペア:

[(1, 21073713), (3, 7024571), (41, 513993), (73, 288681), (123, 171331), (219, 96227), (2347, 8979), (2993, 7041)]