21840302

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{23087}}^1$

素因数の和:23143

約数の個数: 16

約数和(自身を含む): 36571392

約数和(自身を除く): 14731090

約数列:

[1, 2, 11, 22, 43, 86, 473, 946, 23087, 46174, 253957, 507914, 992741, 1985482, 10920151, 21840302]

約数ペア:

[(1, 21840302), (2, 10920151), (11, 1985482), (22, 992741), (43, 507914), (86, 253957), (473, 46174), (946, 23087)]