21533708

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{16363}}^1$

素因数の和:16421

約数の個数: 24

約数和(自身を含む): 43986432

約数和(自身を除く): 22452724

約数列:

[1, 2, 4, 7, 14, 28, 47, 94, 188, 329, 658, 1316, 16363, 32726, 65452, 114541, 229082, 458164, 769061, 1538122, 3076244, 5383427, 10766854, 21533708]

約数ペア:

[(1, 21533708), (2, 10766854), (4, 5383427), (7, 3076244), (14, 1538122), (28, 769061), (47, 458164), (94, 229082), (188, 114541), (329, 65452), (658, 32726), (1316, 16363)]