21812714

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{1019}}^1$

素因数の和:1178

約数の個数: 32

約数和(自身を含む): 41126400

約数和(自身を除く): 19313686

約数列:

[1, 2, 7, 11, 14, 22, 77, 139, 154, 278, 973, 1019, 1529, 1946, 2038, 3058, 7133, 10703, 11209, 14266, 21406, 22418, 78463, 141641, 156926, 283282, 991487, 1558051, 1982974, 3116102, 10906357, 21812714]

約数ペア:

[(1, 21812714), (2, 10906357), (7, 3116102), (11, 1982974), (14, 1558051), (22, 991487), (77, 283282), (139, 156926), (154, 141641), (278, 78463), (973, 22418), (1019, 21406), (1529, 14266), (1946, 11209), (2038, 10703), (3058, 7133)]