21489424

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{122099}}^1$

素因数の和:122118

約数の個数: 20

約数和(自身を含む): 45421200

約数和(自身を除く): 23931776

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 122099, 244198, 488396, 976792, 1343089, 1953584, 2686178, 5372356, 10744712, 21489424]

約数ペア:

[(1, 21489424), (2, 10744712), (4, 5372356), (8, 2686178), (11, 1953584), (16, 1343089), (22, 976792), (44, 488396), (88, 244198), (176, 122099)]