21991334

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{373}}^1\times {\mathrm{719}}^1$

素因数の和:1135

約数の個数: 16

約数和(自身を含む): 33929280

約数和(自身を除く): 11937946

約数列:

[1, 2, 41, 82, 373, 719, 746, 1438, 15293, 29479, 30586, 58958, 268187, 536374, 10995667, 21991334]

約数ペア:

[(1, 21991334), (2, 10995667), (41, 536374), (82, 268187), (373, 58958), (719, 30586), (746, 29479), (1438, 15293)]