21000542

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{523}}^1\times {\mathrm{1181}}^1$

素因数の和:1723

約数の個数: 16

約数和(自身を含む): 33445872

約数和(自身を除く): 12445330

約数列:

[1, 2, 17, 34, 523, 1046, 1181, 2362, 8891, 17782, 20077, 40154, 617663, 1235326, 10500271, 21000542]

約数ペア:

[(1, 21000542), (2, 10500271), (17, 1235326), (34, 617663), (523, 40154), (1046, 20077), (1181, 17782), (2362, 8891)]