21131871744

素因数分解:

$2^9\times 3^1\times {\mathrm{19}}^1\times {\mathrm{367}}^1\times {\mathrm{1973}}^1$

素因数の和:2380

約数の個数: 160

約数和(自身を含む): 59451194880

約数和(自身を除く): 38319323136

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 32, 38, 48, 57, 64, 76, 96, 114, 128, 152, 192, 228, 256, 304, 367, 384, 456, 512, 608, 734, 768, 912, 1101, 1216, 1468, 1536, 1824, 1973, 2202, 2432, 2936, 3648, 3946, 4404, 4864, 5872, 5919, 6973, 7296, 7892, 8808, 9728, 11744, 11838, 13946, 14592, 15784, 17616, 20919, 23488, 23676, 27892, 29184, 31568, 35232, 37487, 41838, 46976, 47352, 55784, 63136, 70464, 74974, 83676, 93952, 94704, 111568, 112461, 126272, 140928, 149948, 167352, 187904, 189408, 223136, 224922, 252544, 281856, 299896, 334704, 378816, 446272, 449844, 505088, 563712, 599792, 669408, 724091, 757632, 892544, 899688, 1010176, 1199584, 1338816, 1448182, 1515264, 1785088, 1799376, 2172273, 2399168, 2677632, 2896364, 3030528, 3570176, 3598752, 4344546, 4798336, 5355264, 5792728, 7197504, 8689092, 9596672, 10710528, 11585456, 13757729, 14395008, 17378184, 19193344, 23170912, 27515458, 28790016, 34756368, 41273187, 46341824, 55030916, 57580032, 69512736, 82546374, 92683648, 110061832, 139025472, 165092748, 185367296, 220123664, 278050944, 330185496, 370734592, 440247328, 556101888, 660370992, 880494656, 1112203776, 1320741984, 1760989312, 2641483968, 3521978624, 5282967936, 7043957248, 10565935872, 21131871744]

約数ペア:

[(1, 21131871744), (2, 10565935872), (3, 7043957248), (4, 5282967936), (6, 3521978624), (8, 2641483968), (12, 1760989312), (16, 1320741984), (19, 1112203776), (24, 880494656), (32, 660370992), (38, 556101888), (48, 440247328), (57, 370734592), (64, 330185496), (76, 278050944), (96, 220123664), (114, 185367296), (128, 165092748), (152, 139025472), (192, 110061832), (228, 92683648), (256, 82546374), (304, 69512736), (367, 57580032), (384, 55030916), (456, 46341824), (512, 41273187), (608, 34756368), (734, 28790016), (768, 27515458), (912, 23170912), (1101, 19193344), (1216, 17378184), (1468, 14395008), (1536, 13757729), (1824, 11585456), (1973, 10710528), (2202, 9596672), (2432, 8689092), (2936, 7197504), (3648, 5792728), (3946, 5355264), (4404, 4798336), (4864, 4344546), (5872, 3598752), (5919, 3570176), (6973, 3030528), (7296, 2896364), (7892, 2677632), (8808, 2399168), (9728, 2172273), (11744, 1799376), (11838, 1785088), (13946, 1515264), (14592, 1448182), (15784, 1338816), (17616, 1199584), (20919, 1010176), (23488, 899688), (23676, 892544), (27892, 757632), (29184, 724091), (31568, 669408), (35232, 599792), (37487, 563712), (41838, 505088), (46976, 449844), (47352, 446272), (55784, 378816), (63136, 334704), (70464, 299896), (74974, 281856), (83676, 252544), (93952, 224922), (94704, 223136), (111568, 189408), (112461, 187904), (126272, 167352), (140928, 149948)]