21164649

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{12101}}^1$

素因数の和:12168

約数の個数: 16

約数和(自身を含む): 31368384

約数和(自身を除く): 10203735

約数列:

[1, 3, 11, 33, 53, 159, 583, 1749, 12101, 36303, 133111, 399333, 641353, 1924059, 7054883, 21164649]

約数ペア:

[(1, 21164649), (3, 7054883), (11, 1924059), (33, 641353), (53, 399333), (159, 133111), (583, 36303), (1749, 12101)]