21297974

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{32969}}^1$

素因数の和:33007

約数の個数: 16

約数和(自身を含む): 35607600

約数和(自身を除く): 14309626

約数列:

[1, 2, 17, 19, 34, 38, 323, 646, 32969, 65938, 560473, 626411, 1120946, 1252822, 10648987, 21297974]

約数ペア:

[(1, 21297974), (2, 10648987), (17, 1252822), (19, 1120946), (34, 626411), (38, 560473), (323, 65938), (646, 32969)]