21875876

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{541}}^1\times {\mathrm{919}}^1$

素因数の和:1475

約数の個数: 24

約数和(自身を含む): 41885760

約数和(自身を除く): 20009884

約数列:

[1, 2, 4, 11, 22, 44, 541, 919, 1082, 1838, 2164, 3676, 5951, 10109, 11902, 20218, 23804, 40436, 497179, 994358, 1988716, 5468969, 10937938, 21875876]

約数ペア:

[(1, 21875876), (2, 10937938), (4, 5468969), (11, 1988716), (22, 994358), (44, 497179), (541, 40436), (919, 23804), (1082, 20218), (1838, 11902), (2164, 10109), (3676, 5951)]