20210933659

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{521}}^1\times {\mathrm{128879}}^1$

素因数の和:129450

約数の個数: 16

約数和(自身を含む): 23680926720

約数和(自身を除く): 3469993061

約数列:

[1, 7, 43, 301, 521, 3647, 22403, 128879, 156821, 902153, 5541797, 38792579, 67145959, 470021713, 2887276237, 20210933659]

約数ペア:

[(1, 20210933659), (7, 2887276237), (43, 470021713), (301, 67145959), (521, 38792579), (3647, 5541797), (22403, 902153), (128879, 156821)]