21521554208

素因数分解:

$2^5\times 7^3\times {\mathrm{11}}^1\times {\mathrm{397}}^1\times {\mathrm{449}}^1$

素因数の和:888

約数の個数: 192

約数和(自身を含む): 54159840000

約数和(自身を除く): 32638285792

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 49, 56, 77, 88, 98, 112, 154, 176, 196, 224, 308, 343, 352, 392, 397, 449, 539, 616, 686, 784, 794, 898, 1078, 1232, 1372, 1568, 1588, 1796, 2156, 2464, 2744, 2779, 3143, 3176, 3592, 3773, 4312, 4367, 4939, 5488, 5558, 6286, 6352, 7184, 7546, 8624, 8734, 9878, 10976, 11116, 12572, 12704, 14368, 15092, 17248, 17468, 19453, 19756, 22001, 22232, 25144, 30184, 30569, 34573, 34936, 38906, 39512, 44002, 44464, 50288, 60368, 61138, 69146, 69872, 77812, 79024, 88004, 88928, 100576, 120736, 122276, 136171, 138292, 139744, 154007, 155624, 158048, 176008, 178253, 213983, 242011, 244552, 272342, 276584, 308014, 311248, 352016, 356506, 427966, 484022, 489104, 544684, 553168, 616028, 622496, 704032, 713012, 855932, 968044, 978208, 1089368, 1106336, 1232056, 1247771, 1426024, 1497881, 1694077, 1711864, 1936088, 1960783, 2178736, 2464112, 2495542, 2852048, 2995762, 3388154, 3423728, 3872176, 3921566, 4357472, 4928224, 4991084, 5704096, 5991524, 6776308, 6847456, 7744352, 7843132, 8734397, 9982168, 11983048, 13552616, 13725481, 15686264, 17468794, 19964336, 23966096, 27105232, 27450962, 31372528, 34937588, 39928672, 47932192, 54210464, 54901924, 61140779, 62745056, 69875176, 96078367, 109803848, 122281558, 139750352, 192156734, 219607696, 244563116, 279500704, 384313468, 439215392, 489126232, 672548569, 768626936, 978252464, 1345097138, 1537253872, 1956504928, 2690194276, 3074507744, 5380388552, 10760777104, 21521554208]

約数ペア:

[(1, 21521554208), (2, 10760777104), (4, 5380388552), (7, 3074507744), (8, 2690194276), (11, 1956504928), (14, 1537253872), (16, 1345097138), (22, 978252464), (28, 768626936), (32, 672548569), (44, 489126232), (49, 439215392), (56, 384313468), (77, 279500704), (88, 244563116), (98, 219607696), (112, 192156734), (154, 139750352), (176, 122281558), (196, 109803848), (224, 96078367), (308, 69875176), (343, 62745056), (352, 61140779), (392, 54901924), (397, 54210464), (449, 47932192), (539, 39928672), (616, 34937588), (686, 31372528), (784, 27450962), (794, 27105232), (898, 23966096), (1078, 19964336), (1232, 17468794), (1372, 15686264), (1568, 13725481), (1588, 13552616), (1796, 11983048), (2156, 9982168), (2464, 8734397), (2744, 7843132), (2779, 7744352), (3143, 6847456), (3176, 6776308), (3592, 5991524), (3773, 5704096), (4312, 4991084), (4367, 4928224), (4939, 4357472), (5488, 3921566), (5558, 3872176), (6286, 3423728), (6352, 3388154), (7184, 2995762), (7546, 2852048), (8624, 2495542), (8734, 2464112), (9878, 2178736), (10976, 1960783), (11116, 1936088), (12572, 1711864), (12704, 1694077), (14368, 1497881), (15092, 1426024), (17248, 1247771), (17468, 1232056), (19453, 1106336), (19756, 1089368), (22001, 978208), (22232, 968044), (25144, 855932), (30184, 713012), (30569, 704032), (34573, 622496), (34936, 616028), (38906, 553168), (39512, 544684), (44002, 489104), (44464, 484022), (50288, 427966), (60368, 356506), (61138, 352016), (69146, 311248), (69872, 308014), (77812, 276584), (79024, 272342), (88004, 244552), (88928, 242011), (100576, 213983), (120736, 178253), (122276, 176008), (136171, 158048), (138292, 155624), (139744, 154007)]