21373756

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{1777}}^1$

素因数の和:1909

約数の個数: 24

約数和(自身を含む): 39030656

約数和(自身を除く): 17656900

約数列:

[1, 2, 4, 31, 62, 97, 124, 194, 388, 1777, 3007, 3554, 6014, 7108, 12028, 55087, 110174, 172369, 220348, 344738, 689476, 5343439, 10686878, 21373756]

約数ペア:

[(1, 21373756), (2, 10686878), (4, 5343439), (31, 689476), (62, 344738), (97, 220348), (124, 172369), (194, 110174), (388, 55087), (1777, 12028), (3007, 7108), (3554, 6014)]