21047706

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{61543}}^1$

素因数の和:61570

約数の個数: 24

約数和(自身を含む): 48004320

約数和(自身を除く): 26956614

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 171, 342, 61543, 123086, 184629, 369258, 553887, 1107774, 1169317, 2338634, 3507951, 7015902, 10523853, 21047706]

約数ペア:

[(1, 21047706), (2, 10523853), (3, 7015902), (6, 3507951), (9, 2338634), (18, 1169317), (19, 1107774), (38, 553887), (57, 369258), (114, 184629), (171, 123086), (342, 61543)]