21638127

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{60611}}^1$

素因数の和:60638

約数の個数: 16

約数和(自身を含む): 34912512

約数和(自身を除く): 13274385

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 60611, 181833, 424277, 1030387, 1272831, 3091161, 7212709, 21638127]

約数ペア:

[(1, 21638127), (3, 7212709), (7, 3091161), (17, 1272831), (21, 1030387), (51, 424277), (119, 181833), (357, 60611)]