21797699

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1093}}^1$

素因数の和:1155

約数の個数: 24

約数和(自身を含む): 28435248

約数和(自身を除く): 6637549

約数列:

[1, 7, 11, 37, 49, 77, 259, 407, 539, 1093, 1813, 2849, 7651, 12023, 19943, 40441, 53557, 84161, 283087, 444851, 589127, 1981609, 3113957, 21797699]

約数ペア:

[(1, 21797699), (7, 3113957), (11, 1981609), (37, 589127), (49, 444851), (77, 283087), (259, 84161), (407, 53557), (539, 40441), (1093, 19943), (1813, 12023), (2849, 7651)]