21989376

素因数分解:

$2^{11}\times 3^2\times {\mathrm{1193}}^1$

素因数の和:1221

約数の個数: 72

約数和(自身を含む): 63562590

約数和(自身を除く): 41573214

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 128, 144, 192, 256, 288, 384, 512, 576, 768, 1024, 1152, 1193, 1536, 2048, 2304, 2386, 3072, 3579, 4608, 4772, 6144, 7158, 9216, 9544, 10737, 14316, 18432, 19088, 21474, 28632, 38176, 42948, 57264, 76352, 85896, 114528, 152704, 171792, 229056, 305408, 343584, 458112, 610816, 687168, 916224, 1221632, 1374336, 1832448, 2443264, 2748672, 3664896, 5497344, 7329792, 10994688, 21989376]

約数ペア:

[(1, 21989376), (2, 10994688), (3, 7329792), (4, 5497344), (6, 3664896), (8, 2748672), (9, 2443264), (12, 1832448), (16, 1374336), (18, 1221632), (24, 916224), (32, 687168), (36, 610816), (48, 458112), (64, 343584), (72, 305408), (96, 229056), (128, 171792), (144, 152704), (192, 114528), (256, 85896), (288, 76352), (384, 57264), (512, 42948), (576, 38176), (768, 28632), (1024, 21474), (1152, 19088), (1193, 18432), (1536, 14316), (2048, 10737), (2304, 9544), (2386, 9216), (3072, 7158), (3579, 6144), (4608, 4772)]