16213521921

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{311}}^1\times {\mathrm{353}}^1\times {\mathrm{2591}}^1$

素因数の和:3277

約数の個数: 32

約数和(自身を含む): 22902497280

約数和(自身を除く): 6688975359

約数列:

[1, 3, 19, 57, 311, 353, 933, 1059, 2591, 5909, 6707, 7773, 17727, 20121, 49229, 109783, 147687, 329349, 805801, 914623, 2085877, 2417403, 2743869, 6257631, 15310219, 17377837, 45930657, 52133511, 284447753, 853343259, 5404507307, 16213521921]

約数ペア:

[(1, 16213521921), (3, 5404507307), (19, 853343259), (57, 284447753), (311, 52133511), (353, 45930657), (933, 17377837), (1059, 15310219), (2591, 6257631), (5909, 2743869), (6707, 2417403), (7773, 2085877), (17727, 914623), (20121, 805801), (49229, 329349), (109783, 147687)]