21755756953

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{227}}^1\times {\mathrm{805381}}^1$

素因数の和:805632

約数の個数: 16

約数和(自身を含む): 26442301824

約数和(自身を除く): 4686544871

約数列:

[1, 7, 17, 119, 227, 1589, 3859, 27013, 805381, 5637667, 13691477, 95840339, 182821487, 1279750409, 3107965279, 21755756953]

約数ペア:

[(1, 21755756953), (7, 3107965279), (17, 1279750409), (119, 182821487), (227, 95840339), (1589, 13691477), (3859, 5637667), (27013, 805381)]