21273446

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{4049}}^1$

素因数の和:4159

約数の個数: 16

約数和(自身を含む): 33242400

約数和(自身を除く): 11968954

約数列:

[1, 2, 37, 71, 74, 142, 2627, 4049, 5254, 8098, 149813, 287479, 299626, 574958, 10636723, 21273446]

約数ペア:

[(1, 21273446), (2, 10636723), (37, 574958), (71, 299626), (74, 287479), (142, 149813), (2627, 8098), (4049, 5254)]