21103320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{97}}^1$

素因数の和:162

約数の個数: 192

約数和(自身を含む): 76416480

約数和(自身を除く): 55313160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 37, 40, 42, 49, 56, 60, 70, 74, 84, 97, 98, 105, 111, 120, 140, 147, 148, 168, 185, 194, 196, 210, 222, 245, 259, 280, 291, 294, 296, 370, 388, 392, 420, 444, 485, 490, 518, 555, 582, 588, 679, 735, 740, 776, 777, 840, 888, 970, 980, 1036, 1110, 1164, 1176, 1295, 1358, 1455, 1470, 1480, 1554, 1813, 1940, 1960, 2037, 2072, 2220, 2328, 2590, 2716, 2910, 2940, 3108, 3395, 3589, 3626, 3880, 3885, 4074, 4440, 4753, 5180, 5432, 5439, 5820, 5880, 6216, 6790, 7178, 7252, 7770, 8148, 9065, 9506, 10185, 10360, 10767, 10878, 11640, 13580, 14259, 14356, 14504, 15540, 16296, 17945, 18130, 19012, 20370, 21534, 21756, 23765, 25123, 27160, 27195, 28518, 28712, 31080, 35890, 36260, 38024, 40740, 43068, 43512, 47530, 50246, 53835, 54390, 57036, 71295, 71780, 72520, 75369, 81480, 86136, 95060, 100492, 107670, 108780, 114072, 125615, 142590, 143560, 150738, 175861, 190120, 200984, 215340, 217560, 251230, 285180, 301476, 351722, 376845, 430680, 502460, 527583, 570360, 602952, 703444, 753690, 879305, 1004920, 1055166, 1406888, 1507380, 1758610, 2110332, 2637915, 3014760, 3517220, 4220664, 5275830, 7034440, 10551660, 21103320]

約数ペア:

[(1, 21103320), (2, 10551660), (3, 7034440), (4, 5275830), (5, 4220664), (6, 3517220), (7, 3014760), (8, 2637915), (10, 2110332), (12, 1758610), (14, 1507380), (15, 1406888), (20, 1055166), (21, 1004920), (24, 879305), (28, 753690), (30, 703444), (35, 602952), (37, 570360), (40, 527583), (42, 502460), (49, 430680), (56, 376845), (60, 351722), (70, 301476), (74, 285180), (84, 251230), (97, 217560), (98, 215340), (105, 200984), (111, 190120), (120, 175861), (140, 150738), (147, 143560), (148, 142590), (168, 125615), (185, 114072), (194, 108780), (196, 107670), (210, 100492), (222, 95060), (245, 86136), (259, 81480), (280, 75369), (291, 72520), (294, 71780), (296, 71295), (370, 57036), (388, 54390), (392, 53835), (420, 50246), (444, 47530), (485, 43512), (490, 43068), (518, 40740), (555, 38024), (582, 36260), (588, 35890), (679, 31080), (735, 28712), (740, 28518), (776, 27195), (777, 27160), (840, 25123), (888, 23765), (970, 21756), (980, 21534), (1036, 20370), (1110, 19012), (1164, 18130), (1176, 17945), (1295, 16296), (1358, 15540), (1455, 14504), (1470, 14356), (1480, 14259), (1554, 13580), (1813, 11640), (1940, 10878), (1960, 10767), (2037, 10360), (2072, 10185), (2220, 9506), (2328, 9065), (2590, 8148), (2716, 7770), (2910, 7252), (2940, 7178), (3108, 6790), (3395, 6216), (3589, 5880), (3626, 5820), (3880, 5439), (3885, 5432), (4074, 5180), (4440, 4753)]