21863908

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{26153}}^1$

素因数の和:26187

約数の個数: 24

約数和(自身を含む): 43938720

約数和(自身を除く): 22074812

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 418, 836, 26153, 52306, 104612, 287683, 496907, 575366, 993814, 1150732, 1987628, 5465977, 10931954, 21863908]

約数ペア:

[(1, 21863908), (2, 10931954), (4, 5465977), (11, 1987628), (19, 1150732), (22, 993814), (38, 575366), (44, 496907), (76, 287683), (209, 104612), (418, 52306), (836, 26153)]