21702753793

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{661}}^1\times {\mathrm{4339}}^1$

素因数の和:5077

約数の個数: 32

約数和(自身を含む): 26478305280

約数和(自身を除く): 4775551487

約数列:

[1, 7, 23, 47, 161, 329, 661, 1081, 4339, 4627, 7567, 15203, 30373, 31067, 99797, 106421, 203933, 217469, 698579, 714541, 1427531, 2868079, 4690459, 5001787, 20076553, 32833213, 65965817, 134799713, 461760719, 943597991, 3100393399, 21702753793]

約数ペア:

[(1, 21702753793), (7, 3100393399), (23, 943597991), (47, 461760719), (161, 134799713), (329, 65965817), (661, 32833213), (1081, 20076553), (4339, 5001787), (4627, 4690459), (7567, 2868079), (15203, 1427531), (30373, 714541), (31067, 698579), (99797, 217469), (106421, 203933)]