21953183

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{1259}}^1$

素因数の和:1366

約数の個数: 16

約数和(自身を含む): 26127360

約数和(自身を除く): 4174177

約数列:

[1, 7, 47, 53, 329, 371, 1259, 2491, 8813, 17437, 59173, 66727, 414211, 467089, 3136169, 21953183]

約数ペア:

[(1, 21953183), (7, 3136169), (47, 467089), (53, 414211), (329, 66727), (371, 59173), (1259, 17437), (2491, 8813)]