21012178

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{733}}^1\times {\mathrm{1303}}^1$

素因数の和:2049

約数の個数: 16

約数和(自身を含む): 34456896

約数和(自身を除く): 13444718

約数列:

[1, 2, 11, 22, 733, 1303, 1466, 2606, 8063, 14333, 16126, 28666, 955099, 1910198, 10506089, 21012178]

約数ペア:

[(1, 21012178), (2, 10506089), (11, 1910198), (22, 955099), (733, 28666), (1303, 16126), (1466, 14333), (2606, 8063)]