21425763

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{2347}}^1$

素因数の和:2546

約数の個数: 16

約数和(自身を含む): 30430080

約数和(自身を除く): 9004317

約数列:

[1, 3, 17, 51, 179, 537, 2347, 3043, 7041, 9129, 39899, 119697, 420113, 1260339, 7141921, 21425763]

約数ペア:

[(1, 21425763), (3, 7141921), (17, 1260339), (51, 420113), (179, 119697), (537, 39899), (2347, 9129), (3043, 7041)]