21567964

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{25799}}^1$

素因数の和:25833

約数の個数: 24

約数和(自身を含む): 43344000

約数和(自身を除く): 21776036

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 418, 836, 25799, 51598, 103196, 283789, 490181, 567578, 980362, 1135156, 1960724, 5391991, 10783982, 21567964]

約数ペア:

[(1, 21567964), (2, 10783982), (4, 5391991), (11, 1960724), (19, 1135156), (22, 980362), (38, 567578), (44, 490181), (76, 283789), (209, 103196), (418, 51598), (836, 25799)]