21620974

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{33469}}^1$

素因数の和:33507

約数の個数: 16

約数和(自身を含む): 36147600

約数和(自身を除く): 14526626

約数列:

[1, 2, 17, 19, 34, 38, 323, 646, 33469, 66938, 568973, 635911, 1137946, 1271822, 10810487, 21620974]

約数ペア:

[(1, 21620974), (2, 10810487), (17, 1271822), (19, 1137946), (34, 635911), (38, 568973), (323, 66938), (646, 33469)]