21167690165

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{3391}}^1$

素因数の和:3570

約数の個数: 64

約数和(自身を含む): 29259988992

約数和(自身を除く): 8092298827

約数列:

[1, 5, 17, 23, 31, 85, 103, 115, 155, 391, 515, 527, 713, 1751, 1955, 2369, 2635, 3193, 3391, 3565, 8755, 11845, 12121, 15965, 16955, 40273, 54281, 57647, 60605, 73439, 77993, 105121, 201365, 271405, 288235, 349273, 367195, 389965, 525605, 1248463, 1325881, 1746365, 1787057, 2417783, 5937641, 6242315, 6629405, 8033279, 8935285, 10827463, 12088915, 29688205, 40166395, 41102311, 54137315, 136565743, 184066871, 205511555, 249031649, 682828715, 920334355, 1245158245, 4233538033, 21167690165]

約数ペア:

[(1, 21167690165), (5, 4233538033), (17, 1245158245), (23, 920334355), (31, 682828715), (85, 249031649), (103, 205511555), (115, 184066871), (155, 136565743), (391, 54137315), (515, 41102311), (527, 40166395), (713, 29688205), (1751, 12088915), (1955, 10827463), (2369, 8935285), (2635, 8033279), (3193, 6629405), (3391, 6242315), (3565, 5937641), (8755, 2417783), (11845, 1787057), (12121, 1746365), (15965, 1325881), (16955, 1248463), (40273, 525605), (54281, 389965), (57647, 367195), (60605, 349273), (73439, 288235), (77993, 271405), (105121, 201365)]