21318596

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{211}}^1$

素因数の和:324

約数の個数: 48

約数和(自身を含む): 42383040

約数和(自身を除く): 21064444

約数列:

[1, 2, 4, 13, 26, 29, 52, 58, 67, 116, 134, 211, 268, 377, 422, 754, 844, 871, 1508, 1742, 1943, 2743, 3484, 3886, 5486, 6119, 7772, 10972, 12238, 14137, 24476, 25259, 28274, 50518, 56548, 79547, 101036, 159094, 183781, 318188, 367562, 409973, 735124, 819946, 1639892, 5329649, 10659298, 21318596]

約数ペア:

[(1, 21318596), (2, 10659298), (4, 5329649), (13, 1639892), (26, 819946), (29, 735124), (52, 409973), (58, 367562), (67, 318188), (116, 183781), (134, 159094), (211, 101036), (268, 79547), (377, 56548), (422, 50518), (754, 28274), (844, 25259), (871, 24476), (1508, 14137), (1742, 12238), (1943, 10972), (2743, 7772), (3484, 6119), (3886, 5486)]