21349130

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{194083}}^1$

素因数の和:194101

約数の個数: 16

約数和(自身を含む): 41922144

約数和(自身を除く): 20573014

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 194083, 388166, 970415, 1940830, 2134913, 4269826, 10674565, 21349130]

約数ペア:

[(1, 21349130), (2, 10674565), (5, 4269826), (10, 2134913), (11, 1940830), (22, 970415), (55, 388166), (110, 194083)]