21575210

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{126913}}^1$

素因数の和:126937

約数の個数: 16

約数和(自身を含む): 41120136

約数和(自身を除く): 19544926

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 126913, 253826, 634565, 1269130, 2157521, 4315042, 10787605, 21575210]

約数ペア:

[(1, 21575210), (2, 10787605), (5, 4315042), (10, 2157521), (17, 1269130), (34, 634565), (85, 253826), (170, 126913)]