21955868

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{26263}}^1$

素因数の和:26297

約数の個数: 24

約数和(自身を含む): 44123520

約数和(自身を除く): 22167652

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 418, 836, 26263, 52526, 105052, 288893, 498997, 577786, 997994, 1155572, 1995988, 5488967, 10977934, 21955868]

約数ペア:

[(1, 21955868), (2, 10977934), (4, 5488967), (11, 1995988), (19, 1155572), (22, 997994), (38, 577786), (44, 498997), (76, 288893), (209, 105052), (418, 52526), (836, 26263)]