21320384512

素因数分解:

$2^{14}\times 7^2\times {\mathrm{26557}}^1$

素因数の和:26599

約数の個数: 90

約数和(自身を含む): 49602881202

約数和(自身を除く): 28282496690

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 256, 392, 448, 512, 784, 896, 1024, 1568, 1792, 2048, 3136, 3584, 4096, 6272, 7168, 8192, 12544, 14336, 16384, 25088, 26557, 28672, 50176, 53114, 57344, 100352, 106228, 114688, 185899, 200704, 212456, 371798, 401408, 424912, 743596, 802816, 849824, 1301293, 1487192, 1699648, 2602586, 2974384, 3399296, 5205172, 5948768, 6798592, 10410344, 11897536, 13597184, 20820688, 23795072, 27194368, 41641376, 47590144, 54388736, 83282752, 95180288, 108777472, 166565504, 190360576, 217554944, 333131008, 380721152, 435109888, 666262016, 761442304, 1332524032, 1522884608, 2665048064, 3045769216, 5330096128, 10660192256, 21320384512]

約数ペア:

[(1, 21320384512), (2, 10660192256), (4, 5330096128), (7, 3045769216), (8, 2665048064), (14, 1522884608), (16, 1332524032), (28, 761442304), (32, 666262016), (49, 435109888), (56, 380721152), (64, 333131008), (98, 217554944), (112, 190360576), (128, 166565504), (196, 108777472), (224, 95180288), (256, 83282752), (392, 54388736), (448, 47590144), (512, 41641376), (784, 27194368), (896, 23795072), (1024, 20820688), (1568, 13597184), (1792, 11897536), (2048, 10410344), (3136, 6798592), (3584, 5948768), (4096, 5205172), (6272, 3399296), (7168, 2974384), (8192, 2602586), (12544, 1699648), (14336, 1487192), (16384, 1301293), (25088, 849824), (26557, 802816), (28672, 743596), (50176, 424912), (53114, 401408), (57344, 371798), (100352, 212456), (106228, 200704), (114688, 185899)]