2021521537

素因数分解:

$7^1\times {\mathrm{223}}^1\times {\mathrm{1091}}^1\times {\mathrm{1187}}^1$

素因数の和:2508

約数の個数: 16

約数和(自身を含む): 2324754432

約数和(自身を除く): 303232895

約数列:

[1, 7, 223, 1091, 1187, 1561, 7637, 8309, 243293, 264701, 1295017, 1703051, 1852907, 9065119, 288788791, 2021521537]

約数ペア:

[(1, 2021521537), (7, 288788791), (223, 9065119), (1091, 1852907), (1187, 1703051), (1561, 1295017), (7637, 264701), (8309, 243293)]