21331889

素因数分解:

${\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{313}}^1$

素因数の和:560

約数の個数: 16

約数和(自身を含む): 23964480

約数和(自身を除く): 2632591

約数列:

[1, 17, 19, 211, 313, 323, 3587, 4009, 5321, 5947, 66043, 68153, 101099, 1122731, 1254817, 21331889]

約数ペア:

[(1, 21331889), (17, 1254817), (19, 1122731), (211, 101099), (313, 68153), (323, 66043), (3587, 5947), (4009, 5321)]