21093678

素因数分解:

$2^1\times 3^2\times {\mathrm{61}}^1\times {\mathrm{19211}}^1$

素因数の和:19280

約数の個数: 24

約数和(自身を含む): 46454616

約数和(自身を除く): 25360938

約数列:

[1, 2, 3, 6, 9, 18, 61, 122, 183, 366, 549, 1098, 19211, 38422, 57633, 115266, 172899, 345798, 1171871, 2343742, 3515613, 7031226, 10546839, 21093678]

約数ペア:

[(1, 21093678), (2, 10546839), (3, 7031226), (6, 3515613), (9, 2343742), (18, 1171871), (61, 345798), (122, 172899), (183, 115266), (366, 57633), (549, 38422), (1098, 19211)]