21041909910

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1\times {\mathrm{3329}}^1$

素因数の和:3555

約数の個数: 192

約数和(自身を含む): 63833702400

約数和(自身を除く): 42791792490

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 79, 90, 105, 126, 127, 158, 210, 237, 254, 315, 381, 395, 474, 553, 630, 635, 711, 762, 790, 889, 1106, 1143, 1185, 1270, 1422, 1659, 1778, 1905, 2286, 2370, 2667, 2765, 3318, 3329, 3555, 3810, 4445, 4977, 5334, 5530, 5715, 6658, 7110, 8001, 8295, 8890, 9954, 9987, 10033, 11430, 13335, 16002, 16590, 16645, 19974, 20066, 23303, 24885, 26670, 29961, 30099, 33290, 40005, 46606, 49770, 49935, 50165, 59922, 60198, 69909, 70231, 80010, 90297, 99870, 100330, 116515, 139818, 140462, 149805, 150495, 180594, 209727, 210693, 233030, 262991, 299610, 300990, 349545, 351155, 419454, 421386, 422783, 451485, 525982, 632079, 699090, 702310, 788973, 845566, 902970, 1048635, 1053465, 1264158, 1268349, 1314955, 1577946, 1840937, 2097270, 2106930, 2113915, 2366919, 2536698, 2629910, 2959481, 3160395, 3681874, 3805047, 3944865, 4227830, 4733838, 5522811, 5918962, 6320790, 6341745, 7610094, 7889730, 8878443, 9204685, 11045622, 11834595, 12683490, 14797405, 16568433, 17756886, 18409370, 19025235, 23669190, 26635329, 27614055, 29594810, 33136866, 33399857, 38050470, 44392215, 53270658, 55228110, 66799714, 82842165, 88784430, 100199571, 133176645, 165684330, 166999285, 200399142, 233798999, 266353290, 300598713, 333998570, 467597998, 500997855, 601197426, 701396997, 1001995710, 1168994995, 1402793994, 1502993565, 2104190991, 2337989990, 3005987130, 3506984985, 4208381982, 7013969970, 10520954955, 21041909910]

約数ペア:

[(1, 21041909910), (2, 10520954955), (3, 7013969970), (5, 4208381982), (6, 3506984985), (7, 3005987130), (9, 2337989990), (10, 2104190991), (14, 1502993565), (15, 1402793994), (18, 1168994995), (21, 1001995710), (30, 701396997), (35, 601197426), (42, 500997855), (45, 467597998), (63, 333998570), (70, 300598713), (79, 266353290), (90, 233798999), (105, 200399142), (126, 166999285), (127, 165684330), (158, 133176645), (210, 100199571), (237, 88784430), (254, 82842165), (315, 66799714), (381, 55228110), (395, 53270658), (474, 44392215), (553, 38050470), (630, 33399857), (635, 33136866), (711, 29594810), (762, 27614055), (790, 26635329), (889, 23669190), (1106, 19025235), (1143, 18409370), (1185, 17756886), (1270, 16568433), (1422, 14797405), (1659, 12683490), (1778, 11834595), (1905, 11045622), (2286, 9204685), (2370, 8878443), (2667, 7889730), (2765, 7610094), (3318, 6341745), (3329, 6320790), (3555, 5918962), (3810, 5522811), (4445, 4733838), (4977, 4227830), (5334, 3944865), (5530, 3805047), (5715, 3681874), (6658, 3160395), (7110, 2959481), (8001, 2629910), (8295, 2536698), (8890, 2366919), (9954, 2113915), (9987, 2106930), (10033, 2097270), (11430, 1840937), (13335, 1577946), (16002, 1314955), (16590, 1268349), (16645, 1264158), (19974, 1053465), (20066, 1048635), (23303, 902970), (24885, 845566), (26670, 788973), (29961, 702310), (30099, 699090), (33290, 632079), (40005, 525982), (46606, 451485), (49770, 422783), (49935, 421386), (50165, 419454), (59922, 351155), (60198, 349545), (69909, 300990), (70231, 299610), (80010, 262991), (90297, 233030), (99870, 210693), (100330, 209727), (116515, 180594), (139818, 150495), (140462, 149805)]