21109538316

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{499}}^1\times {\mathrm{207371}}^1$

素因数の和:207894

約数の個数: 48

約数和(自身を含む): 52257744000

約数和(自身を除く): 31148205684

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 102, 204, 499, 998, 1497, 1996, 2994, 5988, 8483, 16966, 25449, 33932, 50898, 101796, 207371, 414742, 622113, 829484, 1244226, 2488452, 3525307, 7050614, 10575921, 14101228, 21151842, 42303684, 103478129, 206956258, 310434387, 413912516, 620868774, 1241737548, 1759128193, 3518256386, 5277384579, 7036512772, 10554769158, 21109538316]

約数ペア:

[(1, 21109538316), (2, 10554769158), (3, 7036512772), (4, 5277384579), (6, 3518256386), (12, 1759128193), (17, 1241737548), (34, 620868774), (51, 413912516), (68, 310434387), (102, 206956258), (204, 103478129), (499, 42303684), (998, 21151842), (1497, 14101228), (1996, 10575921), (2994, 7050614), (5988, 3525307), (8483, 2488452), (16966, 1244226), (25449, 829484), (33932, 622113), (50898, 414742), (101796, 207371)]