21522726

素因数分解:

$2^1\times 3^3\times {\mathrm{398569}}^1$

素因数の和:398580

約数の個数: 16

約数和(自身を含む): 47828400

約数和(自身を除く): 26305674

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 398569, 797138, 1195707, 2391414, 3587121, 7174242, 10761363, 21522726]

約数ペア:

[(1, 21522726), (2, 10761363), (3, 7174242), (6, 3587121), (9, 2391414), (18, 1195707), (27, 797138), (54, 398569)]