21130116916

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{59354261}}^1$

素因数の和:59354354

約数の個数: 12

約数和(自身を含む): 37393185060

約数和(自身を除く): 16263068144

約数列:

[1, 2, 4, 89, 178, 356, 59354261, 118708522, 237417044, 5282529229, 10565058458, 21130116916]

約数ペア:

[(1, 21130116916), (2, 10565058458), (4, 5282529229), (89, 237417044), (178, 118708522), (356, 59354261)]