21635040

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1$

素因数の和:209

約数の個数: 192

約数和(自身を含む): 80123904

約数和(自身を除く): 58488864

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, 47, 48, 56, 60, 70, 80, 84, 94, 96, 105, 112, 120, 137, 140, 141, 160, 168, 188, 210, 224, 235, 240, 274, 280, 282, 329, 336, 376, 411, 420, 470, 480, 548, 560, 564, 658, 672, 685, 705, 752, 822, 840, 940, 959, 987, 1096, 1120, 1128, 1316, 1370, 1410, 1504, 1644, 1645, 1680, 1880, 1918, 1974, 2055, 2192, 2256, 2632, 2740, 2820, 2877, 3288, 3290, 3360, 3760, 3836, 3948, 4110, 4384, 4512, 4795, 4935, 5264, 5480, 5640, 5754, 6439, 6576, 6580, 7520, 7672, 7896, 8220, 9590, 9870, 10528, 10960, 11280, 11508, 12878, 13152, 13160, 14385, 15344, 15792, 16440, 19180, 19317, 19740, 21920, 22560, 23016, 25756, 26320, 28770, 30688, 31584, 32195, 32880, 38360, 38634, 39480, 45073, 46032, 51512, 52640, 57540, 64390, 65760, 76720, 77268, 78960, 90146, 92064, 96585, 103024, 115080, 128780, 135219, 153440, 154536, 157920, 180292, 193170, 206048, 225365, 230160, 257560, 270438, 309072, 360584, 386340, 450730, 460320, 515120, 540876, 618144, 676095, 721168, 772680, 901460, 1030240, 1081752, 1352190, 1442336, 1545360, 1802920, 2163504, 2704380, 3090720, 3605840, 4327008, 5408760, 7211680, 10817520, 21635040]

約数ペア:

[(1, 21635040), (2, 10817520), (3, 7211680), (4, 5408760), (5, 4327008), (6, 3605840), (7, 3090720), (8, 2704380), (10, 2163504), (12, 1802920), (14, 1545360), (15, 1442336), (16, 1352190), (20, 1081752), (21, 1030240), (24, 901460), (28, 772680), (30, 721168), (32, 676095), (35, 618144), (40, 540876), (42, 515120), (47, 460320), (48, 450730), (56, 386340), (60, 360584), (70, 309072), (80, 270438), (84, 257560), (94, 230160), (96, 225365), (105, 206048), (112, 193170), (120, 180292), (137, 157920), (140, 154536), (141, 153440), (160, 135219), (168, 128780), (188, 115080), (210, 103024), (224, 96585), (235, 92064), (240, 90146), (274, 78960), (280, 77268), (282, 76720), (329, 65760), (336, 64390), (376, 57540), (411, 52640), (420, 51512), (470, 46032), (480, 45073), (548, 39480), (560, 38634), (564, 38360), (658, 32880), (672, 32195), (685, 31584), (705, 30688), (752, 28770), (822, 26320), (840, 25756), (940, 23016), (959, 22560), (987, 21920), (1096, 19740), (1120, 19317), (1128, 19180), (1316, 16440), (1370, 15792), (1410, 15344), (1504, 14385), (1644, 13160), (1645, 13152), (1680, 12878), (1880, 11508), (1918, 11280), (1974, 10960), (2055, 10528), (2192, 9870), (2256, 9590), (2632, 8220), (2740, 7896), (2820, 7672), (2877, 7520), (3288, 6580), (3290, 6576), (3360, 6439), (3760, 5754), (3836, 5640), (3948, 5480), (4110, 5264), (4384, 4935), (4512, 4795)]