21335916

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{253999}}^1$

素因数の和:254013

約数の個数: 24

約数和(自身を含む): 56896000

約数和(自身を除く): 35560084

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 253999, 507998, 761997, 1015996, 1523994, 1777993, 3047988, 3555986, 5333979, 7111972, 10667958, 21335916]

約数ペア:

[(1, 21335916), (2, 10667958), (3, 7111972), (4, 5333979), (6, 3555986), (7, 3047988), (12, 1777993), (14, 1523994), (21, 1015996), (28, 761997), (42, 507998), (84, 253999)]