21610379

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{1879}}^1$

素因数の和:1970

約数の個数: 16

約数和(自身を含む): 25989120

約数和(自身を除く): 4378741

約数列:

[1, 7, 31, 53, 217, 371, 1643, 1879, 11501, 13153, 58249, 99587, 407743, 697109, 3087197, 21610379]

約数ペア:

[(1, 21610379), (7, 3087197), (31, 697109), (53, 407743), (217, 99587), (371, 58249), (1643, 13153), (1879, 11501)]