21690742

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{33577}}^1$

素因数の和:33615

約数の個数: 16

約数和(自身を含む): 36264240

約数和(自身を除く): 14573498

約数列:

[1, 2, 17, 19, 34, 38, 323, 646, 33577, 67154, 570809, 637963, 1141618, 1275926, 10845371, 21690742]

約数ペア:

[(1, 21690742), (2, 10845371), (17, 1275926), (19, 1141618), (34, 637963), (38, 570809), (323, 67154), (646, 33577)]