21688134

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{2753}}^1$

素因数の和:2872

約数の個数: 32

約数和(自身を含む): 47192544

約数和(自身を除く): 25504410

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 101, 202, 303, 606, 1313, 2626, 2753, 3939, 5506, 7878, 8259, 16518, 35789, 71578, 107367, 214734, 278053, 556106, 834159, 1668318, 3614689, 7229378, 10844067, 21688134]

約数ペア:

[(1, 21688134), (2, 10844067), (3, 7229378), (6, 3614689), (13, 1668318), (26, 834159), (39, 556106), (78, 278053), (101, 214734), (202, 107367), (303, 71578), (606, 35789), (1313, 16518), (2626, 8259), (2753, 7878), (3939, 5506)]