21040712

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{34157}}^1$

素因数の和:34181

約数の個数: 32

約数和(自身を含む): 49187520

約数和(自身を除く): 28146808

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 154, 308, 616, 34157, 68314, 136628, 239099, 273256, 375727, 478198, 751454, 956396, 1502908, 1912792, 2630089, 3005816, 5260178, 10520356, 21040712]

約数ペア:

[(1, 21040712), (2, 10520356), (4, 5260178), (7, 3005816), (8, 2630089), (11, 1912792), (14, 1502908), (22, 956396), (28, 751454), (44, 478198), (56, 375727), (77, 273256), (88, 239099), (154, 136628), (308, 68314), (616, 34157)]