21661254

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{63337}}^1$

素因数の和:63364

約数の個数: 24

約数和(自身を含む): 49403640

約数和(自身を除く): 27742386

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 171, 342, 63337, 126674, 190011, 380022, 570033, 1140066, 1203403, 2406806, 3610209, 7220418, 10830627, 21661254]

約数ペア:

[(1, 21661254), (2, 10830627), (3, 7220418), (6, 3610209), (9, 2406806), (18, 1203403), (19, 1140066), (38, 570033), (57, 380022), (114, 190011), (171, 126674), (342, 63337)]