21038732

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{36781}}^1$

素因数の和:36809

約数の個数: 24

約数和(自身を含む): 43255632

約数和(自身を除く): 22216900

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 286, 572, 36781, 73562, 147124, 404591, 478153, 809182, 956306, 1618364, 1912612, 5259683, 10519366, 21038732]

約数ペア:

[(1, 21038732), (2, 10519366), (4, 5259683), (11, 1912612), (13, 1618364), (22, 956306), (26, 809182), (44, 478153), (52, 404591), (143, 147124), (286, 73562), (572, 36781)]