21976353840

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{421973}}^1$

素因数の和:422027

約数の個数: 160

約数和(自身を含む): 80370855936

約数和(自身を除く): 58394502096

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 31, 35, 40, 42, 48, 56, 60, 62, 70, 80, 84, 93, 105, 112, 120, 124, 140, 155, 168, 186, 210, 217, 240, 248, 280, 310, 336, 372, 420, 434, 465, 496, 560, 620, 651, 744, 840, 868, 930, 1085, 1240, 1302, 1488, 1680, 1736, 1860, 2170, 2480, 2604, 3255, 3472, 3720, 4340, 5208, 6510, 7440, 8680, 10416, 13020, 17360, 26040, 52080, 421973, 843946, 1265919, 1687892, 2109865, 2531838, 2953811, 3375784, 4219730, 5063676, 5907622, 6329595, 6751568, 8439460, 8861433, 10127352, 11815244, 12659190, 13081163, 14769055, 16878920, 17722866, 20254704, 23630488, 25318380, 26162326, 29538110, 33757840, 35445732, 39243489, 44307165, 47260976, 50636760, 52324652, 59076220, 65405815, 70891464, 78486978, 88614330, 91568141, 101273520, 104649304, 118152440, 130811630, 141782928, 156973956, 177228660, 183136282, 196217445, 209298608, 236304880, 261623260, 274704423, 313947912, 354457320, 366272564, 392434890, 457840705, 523246520, 549408846, 627895824, 708914640, 732545128, 784869780, 915681410, 1046493040, 1098817692, 1373522115, 1465090256, 1569739560, 1831362820, 2197635384, 2747044230, 3139479120, 3662725640, 4395270768, 5494088460, 7325451280, 10988176920, 21976353840]

約数ペア:

[(1, 21976353840), (2, 10988176920), (3, 7325451280), (4, 5494088460), (5, 4395270768), (6, 3662725640), (7, 3139479120), (8, 2747044230), (10, 2197635384), (12, 1831362820), (14, 1569739560), (15, 1465090256), (16, 1373522115), (20, 1098817692), (21, 1046493040), (24, 915681410), (28, 784869780), (30, 732545128), (31, 708914640), (35, 627895824), (40, 549408846), (42, 523246520), (48, 457840705), (56, 392434890), (60, 366272564), (62, 354457320), (70, 313947912), (80, 274704423), (84, 261623260), (93, 236304880), (105, 209298608), (112, 196217445), (120, 183136282), (124, 177228660), (140, 156973956), (155, 141782928), (168, 130811630), (186, 118152440), (210, 104649304), (217, 101273520), (240, 91568141), (248, 88614330), (280, 78486978), (310, 70891464), (336, 65405815), (372, 59076220), (420, 52324652), (434, 50636760), (465, 47260976), (496, 44307165), (560, 39243489), (620, 35445732), (651, 33757840), (744, 29538110), (840, 26162326), (868, 25318380), (930, 23630488), (1085, 20254704), (1240, 17722866), (1302, 16878920), (1488, 14769055), (1680, 13081163), (1736, 12659190), (1860, 11815244), (2170, 10127352), (2480, 8861433), (2604, 8439460), (3255, 6751568), (3472, 6329595), (3720, 5907622), (4340, 5063676), (5208, 4219730), (6510, 3375784), (7440, 2953811), (8680, 2531838), (10416, 2109865), (13020, 1687892), (17360, 1265919), (26040, 843946), (52080, 421973)]