21951369

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{13043}}^1$

素因数の和:13077

約数の個数: 24

約数和(自身を含む): 36627552

約数和(自身を除く): 14676183

約数列:

[1, 3, 9, 11, 17, 33, 51, 99, 153, 187, 561, 1683, 13043, 39129, 117387, 143473, 221731, 430419, 665193, 1291257, 1995579, 2439041, 7317123, 21951369]

約数ペア:

[(1, 21951369), (3, 7317123), (9, 2439041), (11, 1995579), (17, 1291257), (33, 665193), (51, 430419), (99, 221731), (153, 143473), (187, 117387), (561, 39129), (1683, 13043)]