21370878

素因数分解:

$2^1\times 3^5\times {\mathrm{43973}}^1$

素因数の和:43990

約数の個数: 24

約数和(自身を含む): 48019608

約数和(自身を除く): 26648730

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 243, 486, 43973, 87946, 131919, 263838, 395757, 791514, 1187271, 2374542, 3561813, 7123626, 10685439, 21370878]

約数ペア:

[(1, 21370878), (2, 10685439), (3, 7123626), (6, 3561813), (9, 2374542), (18, 1187271), (27, 791514), (54, 395757), (81, 263838), (162, 131919), (243, 87946), (486, 43973)]