21638932

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{20887}}^1$

素因数の和:20935

約数の個数: 24

約数和(自身を含む): 44449664

約数和(自身を除く): 22810732

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 259, 518, 1036, 20887, 41774, 83548, 146209, 292418, 584836, 772819, 1545638, 3091276, 5409733, 10819466, 21638932]

約数ペア:

[(1, 21638932), (2, 10819466), (4, 5409733), (7, 3091276), (14, 1545638), (28, 772819), (37, 584836), (74, 292418), (148, 146209), (259, 83548), (518, 41774), (1036, 20887)]