21885912

素因数分解:

$2^3\times 3^2\times {\mathrm{197}}^1\times {\mathrm{1543}}^1$

素因数の和:1752

約数の個数: 48

約数和(自身を含む): 59613840

約数和(自身を除く): 37727928

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 197, 394, 591, 788, 1182, 1543, 1576, 1773, 2364, 3086, 3546, 4629, 4728, 6172, 7092, 9258, 12344, 13887, 14184, 18516, 27774, 37032, 55548, 111096, 303971, 607942, 911913, 1215884, 1823826, 2431768, 2735739, 3647652, 5471478, 7295304, 10942956, 21885912]

約数ペア:

[(1, 21885912), (2, 10942956), (3, 7295304), (4, 5471478), (6, 3647652), (8, 2735739), (9, 2431768), (12, 1823826), (18, 1215884), (24, 911913), (36, 607942), (72, 303971), (197, 111096), (394, 55548), (591, 37032), (788, 27774), (1182, 18516), (1543, 14184), (1576, 13887), (1773, 12344), (2364, 9258), (3086, 7092), (3546, 6172), (4629, 4728)]