21078622

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{1879}}^1$

素因数の和:2031

約数の個数: 16

約数和(自身を含む): 32486400

約数和(自身を除く): 11407778

約数列:

[1, 2, 71, 79, 142, 158, 1879, 3758, 5609, 11218, 133409, 148441, 266818, 296882, 10539311, 21078622]

約数ペア:

[(1, 21078622), (2, 10539311), (71, 296882), (79, 266818), (142, 148441), (158, 133409), (1879, 11218), (3758, 5609)]