21385298

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{4651}}^1$

素因数の和:4694

約数の個数: 24

約数和(自身を含む): 37122960

約数和(自身を除く): 15737662

約数列:

[1, 2, 11, 19, 22, 38, 121, 209, 242, 418, 2299, 4598, 4651, 9302, 51161, 88369, 102322, 176738, 562771, 972059, 1125542, 1944118, 10692649, 21385298]

約数ペア:

[(1, 21385298), (2, 10692649), (11, 1944118), (19, 1125542), (22, 972059), (38, 562771), (121, 176738), (209, 102322), (242, 88369), (418, 51161), (2299, 9302), (4598, 4651)]