21067088

素因数分解:

$2^4\times 7^1\times {\mathrm{79}}^1\times {\mathrm{2381}}^1$

素因数の和:2475

約数の個数: 40

約数和(自身を含む): 47258880

約数和(自身を除く): 26191792

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 79, 112, 158, 316, 553, 632, 1106, 1264, 2212, 2381, 4424, 4762, 8848, 9524, 16667, 19048, 33334, 38096, 66668, 133336, 188099, 266672, 376198, 752396, 1316693, 1504792, 2633386, 3009584, 5266772, 10533544, 21067088]

約数ペア:

[(1, 21067088), (2, 10533544), (4, 5266772), (7, 3009584), (8, 2633386), (14, 1504792), (16, 1316693), (28, 752396), (56, 376198), (79, 266672), (112, 188099), (158, 133336), (316, 66668), (553, 38096), (632, 33334), (1106, 19048), (1264, 16667), (2212, 9524), (2381, 8848), (4424, 4762)]