21439198

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{173}}^1$

素因数の和:360

約数の個数: 32

約数和(自身を含む): 36381312

約数和(自身を除く): 14942114

約数列:

[1, 2, 11, 22, 43, 86, 131, 173, 262, 346, 473, 946, 1441, 1903, 2882, 3806, 5633, 7439, 11266, 14878, 22663, 45326, 61963, 81829, 123926, 163658, 249293, 498586, 974509, 1949018, 10719599, 21439198]

約数ペア:

[(1, 21439198), (2, 10719599), (11, 1949018), (22, 974509), (43, 498586), (86, 249293), (131, 163658), (173, 123926), (262, 81829), (346, 61963), (473, 45326), (946, 22663), (1441, 14878), (1903, 11266), (2882, 7439), (3806, 5633)]