21261292

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{613}}^1$

素因数の和:682

約数の個数: 48

約数和(自身を含む): 43323840

約数和(自身を除く): 22062548

約数列:

[1, 2, 4, 13, 23, 26, 29, 46, 52, 58, 92, 116, 299, 377, 598, 613, 667, 754, 1196, 1226, 1334, 1508, 2452, 2668, 7969, 8671, 14099, 15938, 17342, 17777, 28198, 31876, 34684, 35554, 56396, 71108, 183287, 231101, 366574, 408871, 462202, 733148, 817742, 924404, 1635484, 5315323, 10630646, 21261292]

約数ペア:

[(1, 21261292), (2, 10630646), (4, 5315323), (13, 1635484), (23, 924404), (26, 817742), (29, 733148), (46, 462202), (52, 408871), (58, 366574), (92, 231101), (116, 183287), (299, 71108), (377, 56396), (598, 35554), (613, 34684), (667, 31876), (754, 28198), (1196, 17777), (1226, 17342), (1334, 15938), (1508, 14099), (2452, 8671), (2668, 7969)]