21420896255

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{183973}}^1$

素因数の和:184091

約数の個数: 32

約数和(自身を含む): 29406404160

約数和(自身を除く): 7985507905

約数列:

[1, 5, 11, 29, 55, 73, 145, 319, 365, 803, 1595, 2117, 4015, 10585, 23287, 116435, 183973, 919865, 2023703, 5335217, 10118515, 13430029, 26676085, 58687387, 67150145, 147730319, 293436935, 389470841, 738651595, 1947354205, 4284179251, 21420896255]

約数ペア:

[(1, 21420896255), (5, 4284179251), (11, 1947354205), (29, 738651595), (55, 389470841), (73, 293436935), (145, 147730319), (319, 67150145), (365, 58687387), (803, 26676085), (1595, 13430029), (2117, 10118515), (4015, 5335217), (10585, 2023703), (23287, 919865), (116435, 183973)]