21116479920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{159683}}^1$

素因数の和:159747

約数の個数: 160

約数和(自身を含む): 71282937600

約数和(自身を除く): 50166457680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 29, 30, 38, 40, 48, 57, 58, 60, 76, 80, 87, 95, 114, 116, 120, 145, 152, 174, 190, 228, 232, 240, 285, 290, 304, 348, 380, 435, 456, 464, 551, 570, 580, 696, 760, 870, 912, 1102, 1140, 1160, 1392, 1520, 1653, 1740, 2204, 2280, 2320, 2755, 3306, 3480, 4408, 4560, 5510, 6612, 6960, 8265, 8816, 11020, 13224, 16530, 22040, 26448, 33060, 44080, 66120, 132240, 159683, 319366, 479049, 638732, 798415, 958098, 1277464, 1596830, 1916196, 2395245, 2554928, 3033977, 3193660, 3832392, 4630807, 4790490, 6067954, 6387320, 7664784, 9101931, 9261614, 9580980, 12135908, 12774640, 13892421, 15169885, 18203862, 18523228, 19161960, 23154035, 24271816, 27784842, 30339770, 36407724, 37046456, 38323920, 45509655, 46308070, 48543632, 55569684, 60679540, 69462105, 72815448, 74092912, 87985333, 91019310, 92616140, 111139368, 121359080, 138924210, 145630896, 175970666, 182038620, 185232280, 222278736, 242718160, 263955999, 277848420, 351941332, 364077240, 370464560, 439926665, 527911998, 555696840, 703882664, 728154480, 879853330, 1055823996, 1111393680, 1319779995, 1407765328, 1759706660, 2111647992, 2639559990, 3519413320, 4223295984, 5279119980, 7038826640, 10558239960, 21116479920]

約数ペア:

[(1, 21116479920), (2, 10558239960), (3, 7038826640), (4, 5279119980), (5, 4223295984), (6, 3519413320), (8, 2639559990), (10, 2111647992), (12, 1759706660), (15, 1407765328), (16, 1319779995), (19, 1111393680), (20, 1055823996), (24, 879853330), (29, 728154480), (30, 703882664), (38, 555696840), (40, 527911998), (48, 439926665), (57, 370464560), (58, 364077240), (60, 351941332), (76, 277848420), (80, 263955999), (87, 242718160), (95, 222278736), (114, 185232280), (116, 182038620), (120, 175970666), (145, 145630896), (152, 138924210), (174, 121359080), (190, 111139368), (228, 92616140), (232, 91019310), (240, 87985333), (285, 74092912), (290, 72815448), (304, 69462105), (348, 60679540), (380, 55569684), (435, 48543632), (456, 46308070), (464, 45509655), (551, 38323920), (570, 37046456), (580, 36407724), (696, 30339770), (760, 27784842), (870, 24271816), (912, 23154035), (1102, 19161960), (1140, 18523228), (1160, 18203862), (1392, 15169885), (1520, 13892421), (1653, 12774640), (1740, 12135908), (2204, 9580980), (2280, 9261614), (2320, 9101931), (2755, 7664784), (3306, 6387320), (3480, 6067954), (4408, 4790490), (4560, 4630807), (5510, 3832392), (6612, 3193660), (6960, 3033977), (8265, 2554928), (8816, 2395245), (11020, 1916196), (13224, 1596830), (16530, 1277464), (22040, 958098), (26448, 798415), (33060, 638732), (44080, 479049), (66120, 319366), (132240, 159683)]