21308292012

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{499}}^1\times {\mathrm{4751}}^1$

素因数の和:5371

約数の個数: 96

約数和(自身を含む): 57480192000

約数和(自身を除く): 36171899988

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 107, 214, 321, 428, 499, 642, 749, 998, 1284, 1497, 1498, 1996, 2247, 2994, 2996, 3493, 4494, 4751, 5988, 6986, 8988, 9502, 10479, 13972, 14253, 19004, 20958, 28506, 33257, 41916, 53393, 57012, 66514, 99771, 106786, 133028, 160179, 199542, 213572, 320358, 373751, 399084, 508357, 640716, 747502, 1016714, 1121253, 1495004, 1525071, 2033428, 2242506, 2370749, 3050142, 3558499, 4485012, 4741498, 6100284, 7112247, 7116998, 9482996, 10675497, 14224494, 14233996, 16595243, 21350994, 28448988, 33190486, 42701988, 49785729, 66380972, 99571458, 199142916, 253670143, 507340286, 761010429, 1014680572, 1522020858, 1775691001, 3044041716, 3551382002, 5327073003, 7102764004, 10654146006, 21308292012]

約数ペア:

[(1, 21308292012), (2, 10654146006), (3, 7102764004), (4, 5327073003), (6, 3551382002), (7, 3044041716), (12, 1775691001), (14, 1522020858), (21, 1014680572), (28, 761010429), (42, 507340286), (84, 253670143), (107, 199142916), (214, 99571458), (321, 66380972), (428, 49785729), (499, 42701988), (642, 33190486), (749, 28448988), (998, 21350994), (1284, 16595243), (1497, 14233996), (1498, 14224494), (1996, 10675497), (2247, 9482996), (2994, 7116998), (2996, 7112247), (3493, 6100284), (4494, 4741498), (4751, 4485012), (5988, 3558499), (6986, 3050142), (8988, 2370749), (9502, 2242506), (10479, 2033428), (13972, 1525071), (14253, 1495004), (19004, 1121253), (20958, 1016714), (28506, 747502), (33257, 640716), (41916, 508357), (53393, 399084), (57012, 373751), (66514, 320358), (99771, 213572), (106786, 199542), (133028, 160179)]