21064426

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{10459}}^1$

素因数の和:10533

約数の個数: 16

約数和(自身を含む): 33890400

約数和(自身を除く): 12825974

約数列:

[1, 2, 19, 38, 53, 106, 1007, 2014, 10459, 20918, 198721, 397442, 554327, 1108654, 10532213, 21064426]

約数ペア:

[(1, 21064426), (2, 10532213), (19, 1108654), (38, 554327), (53, 397442), (106, 198721), (1007, 20918), (2014, 10459)]