21565494

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{21019}}^1$

素因数の和:21049

約数の個数: 32

約数和(自身を含む): 50448000

約数和(自身を除く): 28882506

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 114, 171, 342, 513, 1026, 21019, 42038, 63057, 126114, 189171, 378342, 399361, 567513, 798722, 1135026, 1198083, 2396166, 3594249, 7188498, 10782747, 21565494]

約数ペア:

[(1, 21565494), (2, 10782747), (3, 7188498), (6, 3594249), (9, 2396166), (18, 1198083), (19, 1135026), (27, 798722), (38, 567513), (54, 399361), (57, 378342), (114, 189171), (171, 126114), (342, 63057), (513, 42038), (1026, 21019)]