21231147

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{59471}}^1$

素因数の和:59498

約数の個数: 16

約数和(自身を含む): 34255872

約数和(自身を除く): 13024725

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 59471, 178413, 416297, 1011007, 1248891, 3033021, 7077049, 21231147]

約数ペア:

[(1, 21231147), (3, 7077049), (7, 3033021), (17, 1248891), (21, 1011007), (51, 416297), (119, 178413), (357, 59471)]