21343954

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{24421}}^1$

素因数の和:24465

約数の個数: 16

約数和(自身を含む): 35167680

約数和(自身を除く): 13823726

約数列:

[1, 2, 19, 23, 38, 46, 437, 874, 24421, 48842, 463999, 561683, 927998, 1123366, 10671977, 21343954]

約数ペア:

[(1, 21343954), (2, 10671977), (19, 1123366), (23, 927998), (38, 561683), (46, 463999), (437, 48842), (874, 24421)]