21049162

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{11681}}^1$

素因数の和:11753

約数の個数: 16

約数和(自身を含む): 34064712

約数和(自身を除く): 13015550

約数列:

[1, 2, 17, 34, 53, 106, 901, 1802, 11681, 23362, 198577, 397154, 619093, 1238186, 10524581, 21049162]

約数ペア:

[(1, 21049162), (2, 10524581), (17, 1238186), (34, 619093), (53, 397154), (106, 198577), (901, 23362), (1802, 11681)]