21815539203

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{449}}^1\times {\mathrm{2399}}^1$

素因数の和:3051

約数の個数: 32

約数和(自身を含む): 30032640000

約数和(自身を除く): 8217100797

約数列:

[1, 3, 43, 129, 157, 449, 471, 1347, 2399, 6751, 7197, 19307, 20253, 57921, 70493, 103157, 211479, 309471, 376643, 1077151, 1129929, 3031199, 3231453, 9093597, 16195649, 46317493, 48586947, 138952479, 169112707, 507338121, 7271846401, 21815539203]

約数ペア:

[(1, 21815539203), (3, 7271846401), (43, 507338121), (129, 169112707), (157, 138952479), (449, 48586947), (471, 46317493), (1347, 16195649), (2399, 9093597), (6751, 3231453), (7197, 3031199), (19307, 1129929), (20253, 1077151), (57921, 376643), (70493, 309471), (103157, 211479)]