21370646

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{9431}}^1$

素因数の和:9547

約数の個数: 16

約数和(自身を含む): 35313408

約数和(自身を除く): 13942762

約数列:

[1, 2, 11, 22, 103, 206, 1133, 2266, 9431, 18862, 103741, 207482, 971393, 1942786, 10685323, 21370646]

約数ペア:

[(1, 21370646), (2, 10685323), (11, 1942786), (22, 971393), (103, 207482), (206, 103741), (1133, 18862), (2266, 9431)]