21624520

素因数分解:

$2^3\times 5^1\times {\mathrm{540613}}^1$

素因数の和:540624

約数の個数: 16

約数和(自身を含む): 48655260

約数和(自身を除く): 27030740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 540613, 1081226, 2162452, 2703065, 4324904, 5406130, 10812260, 21624520]

約数ペア:

[(1, 21624520), (2, 10812260), (4, 5406130), (5, 4324904), (8, 2703065), (10, 2162452), (20, 1081226), (40, 540613)]