21412159

素因数分解:

${\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{179}}^1$

素因数の和:330

約数の個数: 16

約数和(自身を含む): 22900320

約数和(自身を除く): 1488161

約数列:

[1, 37, 53, 61, 179, 1961, 2257, 3233, 6623, 9487, 10919, 119621, 351019, 404003, 578707, 21412159]

約数ペア:

[(1, 21412159), (37, 578707), (53, 404003), (61, 351019), (179, 119621), (1961, 10919), (2257, 9487), (3233, 6623)]