21313743

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{3061}}^1$

素因数の和:3286

約数の個数: 16

約数和(自身を含む): 31158912

約数和(自身を除く): 9845169

約数列:

[1, 3, 11, 33, 211, 633, 2321, 3061, 6963, 9183, 33671, 101013, 645871, 1937613, 7104581, 21313743]

約数ペア:

[(1, 21313743), (3, 7104581), (11, 1937613), (33, 645871), (211, 101013), (633, 33671), (2321, 9183), (3061, 6963)]