21124320

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{6287}}^1$

素因数の和:6312

約数の個数: 96

約数和(自身を含む): 76059648

約数和(自身を除く): 54935328

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 210, 224, 240, 280, 336, 420, 480, 560, 672, 840, 1120, 1680, 3360, 6287, 12574, 18861, 25148, 31435, 37722, 44009, 50296, 62870, 75444, 88018, 94305, 100592, 125740, 132027, 150888, 176036, 188610, 201184, 220045, 251480, 264054, 301776, 352072, 377220, 440090, 502960, 528108, 603552, 660135, 704144, 754440, 880180, 1005920, 1056216, 1320270, 1408288, 1508880, 1760360, 2112432, 2640540, 3017760, 3520720, 4224864, 5281080, 7041440, 10562160, 21124320]

約数ペア:

[(1, 21124320), (2, 10562160), (3, 7041440), (4, 5281080), (5, 4224864), (6, 3520720), (7, 3017760), (8, 2640540), (10, 2112432), (12, 1760360), (14, 1508880), (15, 1408288), (16, 1320270), (20, 1056216), (21, 1005920), (24, 880180), (28, 754440), (30, 704144), (32, 660135), (35, 603552), (40, 528108), (42, 502960), (48, 440090), (56, 377220), (60, 352072), (70, 301776), (80, 264054), (84, 251480), (96, 220045), (105, 201184), (112, 188610), (120, 176036), (140, 150888), (160, 132027), (168, 125740), (210, 100592), (224, 94305), (240, 88018), (280, 75444), (336, 62870), (420, 50296), (480, 44009), (560, 37722), (672, 31435), (840, 25148), (1120, 18861), (1680, 12574), (3360, 6287)]