21383878

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{3301}}^1$

素因数の和:3423

約数の個数: 16

約数和(自身を含む): 33284160

約数和(自身を除く): 11900282

約数列:

[1, 2, 41, 79, 82, 158, 3239, 3301, 6478, 6602, 135341, 260779, 270682, 521558, 10691939, 21383878]

約数ペア:

[(1, 21383878), (2, 10691939), (41, 521558), (79, 270682), (82, 260779), (158, 135341), (3239, 6602), (3301, 6478)]