21259033

素因数分解:

${\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1$

素因数の和:288

約数の個数: 16

約数和(自身を含む): 22619520

約数和(自身を除く): 1360487

約数列:

[1, 41, 67, 71, 109, 2747, 2911, 4469, 4757, 7303, 7739, 195037, 299423, 317299, 518513, 21259033]

約数ペア:

[(1, 21259033), (41, 518513), (67, 317299), (71, 299423), (109, 195037), (2747, 7739), (2911, 7303), (4469, 4757)]