21112872

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{79973}}^1$

素因数の和:79993

約数の個数: 32

約数和(自身を含む): 57581280

約数和(自身を除く): 36468408

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 132, 264, 79973, 159946, 239919, 319892, 479838, 639784, 879703, 959676, 1759406, 1919352, 2639109, 3518812, 5278218, 7037624, 10556436, 21112872]

約数ペア:

[(1, 21112872), (2, 10556436), (3, 7037624), (4, 5278218), (6, 3518812), (8, 2639109), (11, 1919352), (12, 1759406), (22, 959676), (24, 879703), (33, 639784), (44, 479838), (66, 319892), (88, 239919), (132, 159946), (264, 79973)]