21033896

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{11897}}^1$

素因数の和:11933

約数の個数: 32

約数和(自身を含む): 44974440

約数和(自身を除く): 23940544

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 221, 442, 884, 1768, 11897, 23794, 47588, 95176, 154661, 202249, 309322, 404498, 618644, 808996, 1237288, 1617992, 2629237, 5258474, 10516948, 21033896]

約数ペア:

[(1, 21033896), (2, 10516948), (4, 5258474), (8, 2629237), (13, 1617992), (17, 1237288), (26, 808996), (34, 618644), (52, 404498), (68, 309322), (104, 202249), (136, 154661), (221, 95176), (442, 47588), (884, 23794), (1768, 11897)]