21526071

素因数分解:

$3^1\times 7^1\times {\mathrm{457}}^1\times {\mathrm{2243}}^1$

素因数の和:2710

約数の個数: 16

約数和(自身を含む): 32888064

約数和(自身を除く): 11361993

約数列:

[1, 3, 7, 21, 457, 1371, 2243, 3199, 6729, 9597, 15701, 47103, 1025051, 3075153, 7175357, 21526071]

約数ペア:

[(1, 21526071), (3, 7175357), (7, 3075153), (21, 1025051), (457, 47103), (1371, 15701), (2243, 9597), (3199, 6729)]