21665208

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{53101}}^1$

素因数の和:53127

約数の個数: 32

約数和(自身を含む): 57350160

約数和(自身を除く): 35684952

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 68, 102, 136, 204, 408, 53101, 106202, 159303, 212404, 318606, 424808, 637212, 902717, 1274424, 1805434, 2708151, 3610868, 5416302, 7221736, 10832604, 21665208]

約数ペア:

[(1, 21665208), (2, 10832604), (3, 7221736), (4, 5416302), (6, 3610868), (8, 2708151), (12, 1805434), (17, 1274424), (24, 902717), (34, 637212), (51, 424808), (68, 318606), (102, 212404), (136, 159303), (204, 106202), (408, 53101)]