21000913299

素因数分解:

$3^2\times {\mathrm{367}}^1\times {\mathrm{2437}}^1\times {\mathrm{2609}}^1$

素因数の和:5419

約数の個数: 24

約数和(自身を含む): 30441453120

約数和(自身を除く): 9440539821

約数列:

[1, 3, 9, 367, 1101, 2437, 2609, 3303, 7311, 7827, 21933, 23481, 894379, 957503, 2683137, 2872509, 6358133, 8049411, 8617527, 19074399, 57223197, 2333434811, 7000304433, 21000913299]

約数ペア:

[(1, 21000913299), (3, 7000304433), (9, 2333434811), (367, 57223197), (1101, 19074399), (2437, 8617527), (2609, 8049411), (3303, 6358133), (7311, 2872509), (7827, 2683137), (21933, 957503), (23481, 894379)]