21149696

素因数分解:

$2^{11}\times {\mathrm{23}}^1\times {\mathrm{449}}^1$

素因数の和:494

約数の個数: 48

約数和(自身を含む): 44226000

約数和(自身を除く): 23076304

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 92, 128, 184, 256, 368, 449, 512, 736, 898, 1024, 1472, 1796, 2048, 2944, 3592, 5888, 7184, 10327, 11776, 14368, 20654, 23552, 28736, 41308, 47104, 57472, 82616, 114944, 165232, 229888, 330464, 459776, 660928, 919552, 1321856, 2643712, 5287424, 10574848, 21149696]

約数ペア:

[(1, 21149696), (2, 10574848), (4, 5287424), (8, 2643712), (16, 1321856), (23, 919552), (32, 660928), (46, 459776), (64, 330464), (92, 229888), (128, 165232), (184, 114944), (256, 82616), (368, 57472), (449, 47104), (512, 41308), (736, 28736), (898, 23552), (1024, 20654), (1472, 14368), (1796, 11776), (2048, 10327), (2944, 7184), (3592, 5888)]