21624440

素因数分解:

$2^3\times 5^1\times {\mathrm{540611}}^1$

素因数の和:540622

約数の個数: 16

約数和(自身を含む): 48655080

約数和(自身を除く): 27030640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 540611, 1081222, 2162444, 2703055, 4324888, 5406110, 10812220, 21624440]

約数ペア:

[(1, 21624440), (2, 10812220), (4, 5406110), (5, 4324888), (8, 2703055), (10, 2162444), (20, 1081222), (40, 540611)]