21088738

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{499}}^1$

素因数の和:642

約数の個数: 32

約数和(自身を含む): 36936000

約数和(自身を除く): 15847262

約数列:

[1, 2, 11, 17, 22, 34, 113, 187, 226, 374, 499, 998, 1243, 1921, 2486, 3842, 5489, 8483, 10978, 16966, 21131, 42262, 56387, 93313, 112774, 186626, 620257, 958579, 1240514, 1917158, 10544369, 21088738]

約数ペア:

[(1, 21088738), (2, 10544369), (11, 1917158), (17, 1240514), (22, 958579), (34, 620257), (113, 186626), (187, 112774), (226, 93313), (374, 56387), (499, 42262), (998, 21131), (1243, 16966), (1921, 10978), (2486, 8483), (3842, 5489)]