21063493

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{1543}}^1$

素因数の和:1644

約数の個数: 16

約数和(自身を含む): 24679296

約数和(自身を除く): 3615803

約数列:

[1, 11, 17, 73, 187, 803, 1241, 1543, 13651, 16973, 26231, 112639, 288541, 1239029, 1914863, 21063493]

約数ペア:

[(1, 21063493), (11, 1914863), (17, 1239029), (73, 288541), (187, 112639), (803, 26231), (1241, 16973), (1543, 13651)]