21964320

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{2179}}^1$

素因数の和:2207

約数の個数: 144

約数和(自身を含む): 85700160

約数和(自身を除く): 63735840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 2016, 2179, 2520, 3360, 4358, 5040, 6537, 8716, 10080, 10895, 13074, 15253, 17432, 19611, 21790, 26148, 30506, 32685, 34864, 39222, 43580, 45759, 52296, 61012, 65370, 69728, 76265, 78444, 87160, 91518, 98055, 104592, 122024, 130740, 137277, 152530, 156888, 174320, 183036, 196110, 209184, 228795, 244048, 261480, 274554, 305060, 313776, 348640, 366072, 392220, 457590, 488096, 522960, 549108, 610120, 627552, 686385, 732144, 784440, 915180, 1045920, 1098216, 1220240, 1372770, 1464288, 1568880, 1830360, 2196432, 2440480, 2745540, 3137760, 3660720, 4392864, 5491080, 7321440, 10982160, 21964320]

約数ペア:

[(1, 21964320), (2, 10982160), (3, 7321440), (4, 5491080), (5, 4392864), (6, 3660720), (7, 3137760), (8, 2745540), (9, 2440480), (10, 2196432), (12, 1830360), (14, 1568880), (15, 1464288), (16, 1372770), (18, 1220240), (20, 1098216), (21, 1045920), (24, 915180), (28, 784440), (30, 732144), (32, 686385), (35, 627552), (36, 610120), (40, 549108), (42, 522960), (45, 488096), (48, 457590), (56, 392220), (60, 366072), (63, 348640), (70, 313776), (72, 305060), (80, 274554), (84, 261480), (90, 244048), (96, 228795), (105, 209184), (112, 196110), (120, 183036), (126, 174320), (140, 156888), (144, 152530), (160, 137277), (168, 130740), (180, 122024), (210, 104592), (224, 98055), (240, 91518), (252, 87160), (280, 78444), (288, 76265), (315, 69728), (336, 65370), (360, 61012), (420, 52296), (480, 45759), (504, 43580), (560, 39222), (630, 34864), (672, 32685), (720, 30506), (840, 26148), (1008, 21790), (1120, 19611), (1260, 17432), (1440, 15253), (1680, 13074), (2016, 10895), (2179, 10080), (2520, 8716), (3360, 6537), (4358, 5040)]