21726804976

素因数分解:

$2^4\times {\mathrm{251}}^1\times {\mathrm{5410061}}^1$

素因数の和:5410320

約数の個数: 20

約数和(自身を含む): 42263404344

約数和(自身を除く): 20536599368

約数列:

[1, 2, 4, 8, 16, 251, 502, 1004, 2008, 4016, 5410061, 10820122, 21640244, 43280488, 86560976, 1357925311, 2715850622, 5431701244, 10863402488, 21726804976]

約数ペア:

[(1, 21726804976), (2, 10863402488), (4, 5431701244), (8, 2715850622), (16, 1357925311), (251, 86560976), (502, 43280488), (1004, 21640244), (2008, 10820122), (4016, 5410061)]