21049980432836

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{3517}}^1\times {\mathrm{88017781}}^1$

素因数の和:88021319

約数の個数: 24

約数和(自身を含む): 39015466191576

約数和(自身を除く): 17965485758740

約数列:

[1, 2, 4, 17, 34, 68, 3517, 7034, 14068, 59789, 119578, 239156, 88017781, 176035562, 352071124, 1496302277, 2992604554, 5985209108, 309558535777, 619117071554, 1238234143108, 5262495108209, 10524990216418, 21049980432836]

約数ペア:

[(1, 21049980432836), (2, 10524990216418), (4, 5262495108209), (17, 1238234143108), (34, 619117071554), (68, 309558535777), (3517, 5985209108), (7034, 2992604554), (14068, 1496302277), (59789, 352071124), (119578, 176035562), (239156, 88017781)]