21343080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1$

素因数の和:104

約数の個数: 256

約数和(自身を含む): 78796800

約数和(自身を除く): 57453720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 19, 20, 22, 23, 24, 30, 33, 37, 38, 40, 44, 46, 55, 57, 60, 66, 69, 74, 76, 88, 92, 95, 110, 111, 114, 115, 120, 132, 138, 148, 152, 165, 184, 185, 190, 209, 220, 222, 228, 230, 253, 264, 276, 285, 296, 330, 345, 370, 380, 407, 418, 437, 440, 444, 456, 460, 506, 552, 555, 570, 627, 660, 690, 703, 740, 759, 760, 814, 836, 851, 874, 888, 920, 1012, 1045, 1110, 1140, 1221, 1254, 1265, 1311, 1320, 1380, 1406, 1480, 1518, 1628, 1672, 1702, 1748, 2024, 2035, 2090, 2109, 2185, 2220, 2280, 2442, 2508, 2530, 2553, 2622, 2760, 2812, 3036, 3135, 3256, 3404, 3496, 3515, 3795, 4070, 4180, 4218, 4255, 4370, 4440, 4807, 4884, 5016, 5060, 5106, 5244, 5624, 6072, 6105, 6270, 6555, 6808, 7030, 7590, 7733, 8140, 8360, 8436, 8510, 8740, 9361, 9614, 9768, 10120, 10212, 10488, 10545, 12210, 12540, 12765, 13110, 14060, 14421, 15180, 15466, 16169, 16280, 16872, 17020, 17480, 18722, 19228, 20424, 21090, 23199, 24035, 24420, 25080, 25530, 26220, 28083, 28120, 28842, 30360, 30932, 32338, 34040, 37444, 38456, 38665, 42180, 46398, 46805, 48070, 48507, 48840, 51060, 52440, 56166, 57684, 61864, 64676, 72105, 74888, 77330, 80845, 84360, 92796, 93610, 96140, 97014, 102120, 112332, 115368, 115995, 129352, 140415, 144210, 154660, 161690, 177859, 185592, 187220, 192280, 194028, 224664, 231990, 242535, 280830, 288420, 309320, 323380, 355718, 374440, 388056, 463980, 485070, 533577, 561660, 576840, 646760, 711436, 889295, 927960, 970140, 1067154, 1123320, 1422872, 1778590, 1940280, 2134308, 2667885, 3557180, 4268616, 5335770, 7114360, 10671540, 21343080]

約数ペア:

[(1, 21343080), (2, 10671540), (3, 7114360), (4, 5335770), (5, 4268616), (6, 3557180), (8, 2667885), (10, 2134308), (11, 1940280), (12, 1778590), (15, 1422872), (19, 1123320), (20, 1067154), (22, 970140), (23, 927960), (24, 889295), (30, 711436), (33, 646760), (37, 576840), (38, 561660), (40, 533577), (44, 485070), (46, 463980), (55, 388056), (57, 374440), (60, 355718), (66, 323380), (69, 309320), (74, 288420), (76, 280830), (88, 242535), (92, 231990), (95, 224664), (110, 194028), (111, 192280), (114, 187220), (115, 185592), (120, 177859), (132, 161690), (138, 154660), (148, 144210), (152, 140415), (165, 129352), (184, 115995), (185, 115368), (190, 112332), (209, 102120), (220, 97014), (222, 96140), (228, 93610), (230, 92796), (253, 84360), (264, 80845), (276, 77330), (285, 74888), (296, 72105), (330, 64676), (345, 61864), (370, 57684), (380, 56166), (407, 52440), (418, 51060), (437, 48840), (440, 48507), (444, 48070), (456, 46805), (460, 46398), (506, 42180), (552, 38665), (555, 38456), (570, 37444), (627, 34040), (660, 32338), (690, 30932), (703, 30360), (740, 28842), (759, 28120), (760, 28083), (814, 26220), (836, 25530), (851, 25080), (874, 24420), (888, 24035), (920, 23199), (1012, 21090), (1045, 20424), (1110, 19228), (1140, 18722), (1221, 17480), (1254, 17020), (1265, 16872), (1311, 16280), (1320, 16169), (1380, 15466), (1406, 15180), (1480, 14421), (1518, 14060), (1628, 13110), (1672, 12765), (1702, 12540), (1748, 12210), (2024, 10545), (2035, 10488), (2090, 10212), (2109, 10120), (2185, 9768), (2220, 9614), (2280, 9361), (2442, 8740), (2508, 8510), (2530, 8436), (2553, 8360), (2622, 8140), (2760, 7733), (2812, 7590), (3036, 7030), (3135, 6808), (3256, 6555), (3404, 6270), (3496, 6105), (3515, 6072), (3795, 5624), (4070, 5244), (4180, 5106), (4218, 5060), (4255, 5016), (4370, 4884), (4440, 4807)]