21111504

素因数分解:

$2^4\times 3^1\times {\mathrm{439823}}^1$

素因数の和:439834

約数の個数: 20

約数和(自身を含む): 54538176

約数和(自身を除く): 33426672

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 439823, 879646, 1319469, 1759292, 2638938, 3518584, 5277876, 7037168, 10555752, 21111504]

約数ペア:

[(1, 21111504), (2, 10555752), (3, 7037168), (4, 5277876), (6, 3518584), (8, 2638938), (12, 1759292), (16, 1319469), (24, 879646), (48, 439823)]