21850080

素因数分解:

$2^5\times 3^1\times 5^1\times 7^2\times {\mathrm{929}}^1$

素因数の和:961

約数の個数: 144

約数和(自身を含む): 80151120

約数和(自身を除く): 58301040

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, 49, 56, 60, 70, 80, 84, 96, 98, 105, 112, 120, 140, 147, 160, 168, 196, 210, 224, 240, 245, 280, 294, 336, 392, 420, 480, 490, 560, 588, 672, 735, 784, 840, 929, 980, 1120, 1176, 1470, 1568, 1680, 1858, 1960, 2352, 2787, 2940, 3360, 3716, 3920, 4645, 4704, 5574, 5880, 6503, 7432, 7840, 9290, 11148, 11760, 13006, 13935, 14864, 18580, 19509, 22296, 23520, 26012, 27870, 29728, 32515, 37160, 39018, 44592, 45521, 52024, 55740, 65030, 74320, 78036, 89184, 91042, 97545, 104048, 111480, 130060, 136563, 148640, 156072, 182084, 195090, 208096, 222960, 227605, 260120, 273126, 312144, 364168, 390180, 445920, 455210, 520240, 546252, 624288, 682815, 728336, 780360, 910420, 1040480, 1092504, 1365630, 1456672, 1560720, 1820840, 2185008, 2731260, 3121440, 3641680, 4370016, 5462520, 7283360, 10925040, 21850080]

約数ペア:

[(1, 21850080), (2, 10925040), (3, 7283360), (4, 5462520), (5, 4370016), (6, 3641680), (7, 3121440), (8, 2731260), (10, 2185008), (12, 1820840), (14, 1560720), (15, 1456672), (16, 1365630), (20, 1092504), (21, 1040480), (24, 910420), (28, 780360), (30, 728336), (32, 682815), (35, 624288), (40, 546252), (42, 520240), (48, 455210), (49, 445920), (56, 390180), (60, 364168), (70, 312144), (80, 273126), (84, 260120), (96, 227605), (98, 222960), (105, 208096), (112, 195090), (120, 182084), (140, 156072), (147, 148640), (160, 136563), (168, 130060), (196, 111480), (210, 104048), (224, 97545), (240, 91042), (245, 89184), (280, 78036), (294, 74320), (336, 65030), (392, 55740), (420, 52024), (480, 45521), (490, 44592), (560, 39018), (588, 37160), (672, 32515), (735, 29728), (784, 27870), (840, 26012), (929, 23520), (980, 22296), (1120, 19509), (1176, 18580), (1470, 14864), (1568, 13935), (1680, 13006), (1858, 11760), (1960, 11148), (2352, 9290), (2787, 7840), (2940, 7432), (3360, 6503), (3716, 5880), (3920, 5574), (4645, 4704)]