21284508

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{253387}}^1$

素因数の和:253401

約数の個数: 24

約数和(自身を含む): 56758912

約数和(自身を除く): 35474404

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 253387, 506774, 760161, 1013548, 1520322, 1773709, 3040644, 3547418, 5321127, 7094836, 10642254, 21284508]

約数ペア:

[(1, 21284508), (2, 10642254), (3, 7094836), (4, 5321127), (6, 3547418), (7, 3040644), (12, 1773709), (14, 1520322), (21, 1013548), (28, 760161), (42, 506774), (84, 253387)]