21878045271

素因数分解:

$3^3\times {\mathrm{53}}^1\times {\mathrm{127}}^1\times {\mathrm{120383}}^1$

素因数の和:120572

約数の個数: 32

約数和(自身を含む): 33283768320

約数和(自身を除く): 11405723049

約数列:

[1, 3, 9, 27, 53, 127, 159, 381, 477, 1143, 1431, 3429, 6731, 20193, 60579, 120383, 181737, 361149, 1083447, 3250341, 6380299, 15288641, 19140897, 45865923, 57422691, 137597769, 172268073, 412793307, 810297973, 2430893919, 7292681757, 21878045271]

約数ペア:

[(1, 21878045271), (3, 7292681757), (9, 2430893919), (27, 810297973), (53, 412793307), (127, 172268073), (159, 137597769), (381, 57422691), (477, 45865923), (1143, 19140897), (1431, 15288641), (3429, 6380299), (6731, 3250341), (20193, 1083447), (60579, 361149), (120383, 181737)]