21951137

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{491}}^1$

素因数の和:704

約数の個数: 16

約数和(自身を含む): 25072320

約数和(自身を除く): 3121183

約数列:

[1, 13, 19, 181, 247, 491, 2353, 3439, 6383, 9329, 44707, 88871, 121277, 1155323, 1688549, 21951137]

約数ペア:

[(1, 21951137), (13, 1688549), (19, 1155323), (181, 121277), (247, 88871), (491, 44707), (2353, 9329), (3439, 6383)]