21000363958

素因数分解:

$2^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{9933947}}^1$

素因数の和:9934107

約数の個数: 16

約数和(自身を含む): 36239042304

約数和(自身を除く): 15238678346

約数列:

[1, 2, 7, 14, 151, 302, 1057, 2114, 9933947, 19867894, 69537629, 139075258, 1500025997, 3000051994, 10500181979, 21000363958]

約数ペア:

[(1, 21000363958), (2, 10500181979), (7, 3000051994), (14, 1500025997), (151, 139075258), (302, 69537629), (1057, 19867894), (2114, 9933947)]