21907154

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{181}}^1\times {\mathrm{829}}^1$

素因数の和:1085

約数の個数: 16

約数和(自身を含む): 33535320

約数和(自身を除く): 11628166

約数列:

[1, 2, 73, 146, 181, 362, 829, 1658, 13213, 26426, 60517, 121034, 150049, 300098, 10953577, 21907154]

約数ペア:

[(1, 21907154), (2, 10953577), (73, 300098), (146, 150049), (181, 121034), (362, 60517), (829, 26426), (1658, 13213)]