21921802

素因数分解:

$2^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{11953}}^1$

素因数の和:12093

約数の個数: 16

約数和(自身を含む): 37870272

約数和(自身を除く): 15948470

約数列:

[1, 2, 7, 14, 131, 262, 917, 1834, 11953, 23906, 83671, 167342, 1565843, 3131686, 10960901, 21921802]

約数ペア:

[(1, 21921802), (2, 10960901), (7, 3131686), (14, 1565843), (131, 167342), (262, 83671), (917, 23906), (1834, 11953)]