21071516

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{373}}^1\times {\mathrm{487}}^1$

素因数の和:893

約数の個数: 24

約数和(自身を含む): 38327520

約数和(自身を除く): 17256004

約数列:

[1, 2, 4, 29, 58, 116, 373, 487, 746, 974, 1492, 1948, 10817, 14123, 21634, 28246, 43268, 56492, 181651, 363302, 726604, 5267879, 10535758, 21071516]

約数ペア:

[(1, 21071516), (2, 10535758), (4, 5267879), (29, 726604), (58, 363302), (116, 181651), (373, 56492), (487, 43268), (746, 28246), (974, 21634), (1492, 14123), (1948, 10817)]