21933655

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{353}}^1$

素因数の和:435

約数の個数: 24

約数和(自身を含む): 28690992

約数和(自身を除く): 6757337

約数列:

[1, 5, 17, 43, 85, 215, 289, 353, 731, 1445, 1765, 3655, 6001, 12427, 15179, 30005, 62135, 75895, 102017, 258043, 510085, 1290215, 4386731, 21933655]

約数ペア:

[(1, 21933655), (5, 4386731), (17, 1290215), (43, 510085), (85, 258043), (215, 102017), (289, 75895), (353, 62135), (731, 30005), (1445, 15179), (1765, 12427), (3655, 6001)]