21207804926

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{233}}^1\times {\mathrm{7121}}^1$

素因数の和:7457

約数の個数: 64

約数和(自身を含む): 40317129216

約数和(自身を除く): 19109324290

約数列:

[1, 2, 7, 11, 14, 22, 77, 83, 154, 166, 233, 466, 581, 913, 1162, 1631, 1826, 2563, 3262, 5126, 6391, 7121, 12782, 14242, 17941, 19339, 35882, 38678, 49847, 78331, 99694, 135373, 156662, 212729, 270746, 425458, 548317, 591043, 1096634, 1182086, 1489103, 1659193, 2978206, 3318386, 4137301, 6501473, 8274602, 11614351, 13002946, 18251123, 23228702, 36502246, 45510311, 91020622, 127757861, 137713019, 255515722, 275426038, 963991133, 1514843209, 1927982266, 3029686418, 10603902463, 21207804926]

約数ペア:

[(1, 21207804926), (2, 10603902463), (7, 3029686418), (11, 1927982266), (14, 1514843209), (22, 963991133), (77, 275426038), (83, 255515722), (154, 137713019), (166, 127757861), (233, 91020622), (466, 45510311), (581, 36502246), (913, 23228702), (1162, 18251123), (1631, 13002946), (1826, 11614351), (2563, 8274602), (3262, 6501473), (5126, 4137301), (6391, 3318386), (7121, 2978206), (12782, 1659193), (14242, 1489103), (17941, 1182086), (19339, 1096634), (35882, 591043), (38678, 548317), (49847, 425458), (78331, 270746), (99694, 212729), (135373, 156662)]