21125543

素因数分解:

${\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{587}}^1$

素因数の和:706

約数の個数: 16

約数和(自身を含む): 23496480

約数和(自身を除く): 2370937

約数列:

[1, 17, 29, 73, 493, 587, 1241, 2117, 9979, 17023, 35989, 42851, 289391, 728467, 1242679, 21125543]

約数ペア:

[(1, 21125543), (17, 1242679), (29, 728467), (73, 289391), (493, 42851), (587, 35989), (1241, 17023), (2117, 9979)]