21065902

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{1009}}^1$

素因数の和:1108

約数の個数: 32

約数和(自身を含む): 37668960

約数和(自身を除く): 16603058

約数列:

[1, 2, 11, 13, 22, 26, 73, 143, 146, 286, 803, 949, 1009, 1606, 1898, 2018, 10439, 11099, 13117, 20878, 22198, 26234, 73657, 144287, 147314, 288574, 810227, 957541, 1620454, 1915082, 10532951, 21065902]

約数ペア:

[(1, 21065902), (2, 10532951), (11, 1915082), (13, 1620454), (22, 957541), (26, 810227), (73, 288574), (143, 147314), (146, 144287), (286, 73657), (803, 26234), (949, 22198), (1009, 20878), (1606, 13117), (1898, 11099), (2018, 10439)]