21136483203

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{269}}^1\times {\mathrm{55373}}^1$

素因数の和:55699

約数の個数: 32

約数和(自身を含む): 31576469760

約数和(自身を除く): 10439986557

約数列:

[1, 3, 11, 33, 43, 129, 269, 473, 807, 1419, 2959, 8877, 11567, 34701, 55373, 127237, 166119, 381711, 609103, 1827309, 2381039, 7143117, 14895337, 26191429, 44686011, 78574287, 163848707, 491546121, 640499491, 1921498473, 7045494401, 21136483203]

約数ペア:

[(1, 21136483203), (3, 7045494401), (11, 1921498473), (33, 640499491), (43, 491546121), (129, 163848707), (269, 78574287), (473, 44686011), (807, 26191429), (1419, 14895337), (2959, 7143117), (8877, 2381039), (11567, 1827309), (34701, 609103), (55373, 381711), (127237, 166119)]