21339736

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{12763}}^1$

素因数の和:12799

約数の個数: 32

約数和(自身を含む): 45950400

約数和(自身を除く): 24610664

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 88, 152, 209, 418, 836, 1672, 12763, 25526, 51052, 102104, 140393, 242497, 280786, 484994, 561572, 969988, 1123144, 1939976, 2667467, 5334934, 10669868, 21339736]

約数ペア:

[(1, 21339736), (2, 10669868), (4, 5334934), (8, 2667467), (11, 1939976), (19, 1123144), (22, 969988), (38, 561572), (44, 484994), (76, 280786), (88, 242497), (152, 140393), (209, 102104), (418, 51052), (836, 25526), (1672, 12763)]