21492354

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{275543}}^1$

素因数の和:275561

約数の個数: 16

約数和(自身を含む): 46291392

約数和(自身を除く): 24799038

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 275543, 551086, 826629, 1653258, 3582059, 7164118, 10746177, 21492354]

約数ペア:

[(1, 21492354), (2, 10746177), (3, 7164118), (6, 3582059), (13, 1653258), (26, 826629), (39, 551086), (78, 275543)]