21498862

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{1019}}^1$

素因数の和:1176

約数の個数: 32

約数和(自身を含む): 40538880

約数和(自身を除く): 19040018

約数列:

[1, 2, 7, 11, 14, 22, 77, 137, 154, 274, 959, 1019, 1507, 1918, 2038, 3014, 7133, 10549, 11209, 14266, 21098, 22418, 78463, 139603, 156926, 279206, 977221, 1535633, 1954442, 3071266, 10749431, 21498862]

約数ペア:

[(1, 21498862), (2, 10749431), (7, 3071266), (11, 1954442), (14, 1535633), (22, 977221), (77, 279206), (137, 156926), (154, 139603), (274, 78463), (959, 22418), (1019, 21098), (1507, 14266), (1918, 11209), (2038, 10549), (3014, 7133)]