21857044

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{383}}^1\times {\mathrm{1297}}^1$

素因数の和:1695

約数の個数: 24

約数和(自身を含む): 41868288

約数和(自身を除く): 20011244

約数列:

[1, 2, 4, 11, 22, 44, 383, 766, 1297, 1532, 2594, 4213, 5188, 8426, 14267, 16852, 28534, 57068, 496751, 993502, 1987004, 5464261, 10928522, 21857044]

約数ペア:

[(1, 21857044), (2, 10928522), (4, 5464261), (11, 1987004), (22, 993502), (44, 496751), (383, 57068), (766, 28534), (1297, 16852), (1532, 14267), (2594, 8426), (4213, 5188)]