21000422724

素因数分解:

$2^2\times 3^1\times {\mathrm{40031}}^1\times {\mathrm{43717}}^1$

素因数の和:83755

約数の個数: 24

約数和(自身を含む): 49003331328

約数和(自身を除く): 28002908604

約数列:

[1, 2, 3, 4, 6, 12, 40031, 43717, 80062, 87434, 120093, 131151, 160124, 174868, 240186, 262302, 480372, 524604, 1750035227, 3500070454, 5250105681, 7000140908, 10500211362, 21000422724]

約数ペア:

[(1, 21000422724), (2, 10500211362), (3, 7000140908), (4, 5250105681), (6, 3500070454), (12, 1750035227), (40031, 524604), (43717, 480372), (80062, 262302), (87434, 240186), (120093, 174868), (131151, 160124)]