21754424

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{1553}}^1$

素因数の和:1679

約数の個数: 32

約数和(自身を含む): 43636320

約数和(自身を除く): 21881896

約数列:

[1, 2, 4, 8, 17, 34, 68, 103, 136, 206, 412, 824, 1553, 1751, 3106, 3502, 6212, 7004, 12424, 14008, 26401, 52802, 105604, 159959, 211208, 319918, 639836, 1279672, 2719303, 5438606, 10877212, 21754424]

約数ペア:

[(1, 21754424), (2, 10877212), (4, 5438606), (8, 2719303), (17, 1279672), (34, 639836), (68, 319918), (103, 211208), (136, 159959), (206, 105604), (412, 52802), (824, 26401), (1553, 14008), (1751, 12424), (3106, 7004), (3502, 6212)]