21133142

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{157}}^1$

素因数の和:320

約数の個数: 32

約数和(自身を含む): 35015328

約数和(自身を除く): 13882186

約数列:

[1, 2, 17, 34, 37, 74, 107, 157, 214, 314, 629, 1258, 1819, 2669, 3638, 3959, 5338, 5809, 7918, 11618, 16799, 33598, 67303, 98753, 134606, 197506, 285583, 571166, 621563, 1243126, 10566571, 21133142]

約数ペア:

[(1, 21133142), (2, 10566571), (17, 1243126), (34, 621563), (37, 571166), (74, 285583), (107, 197506), (157, 134606), (214, 98753), (314, 67303), (629, 33598), (1258, 16799), (1819, 11618), (2669, 7918), (3638, 5809), (3959, 5338)]