21721212566

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{191}}^1\times {\mathrm{17299}}^1$

素因数の和:17684

約数の個数: 32

約数和(自身を含む): 34677504000

約数和(自身を除く): 12956291434

約数列:

[1, 2, 19, 38, 173, 191, 346, 382, 3287, 3629, 6574, 7258, 17299, 33043, 34598, 66086, 328681, 627817, 657362, 1255634, 2992727, 3304109, 5985454, 6608218, 56861813, 62778071, 113723626, 125556142, 571610857, 1143221714, 10860606283, 21721212566]

約数ペア:

[(1, 21721212566), (2, 10860606283), (19, 1143221714), (38, 571610857), (173, 125556142), (191, 113723626), (346, 62778071), (382, 56861813), (3287, 6608218), (3629, 5985454), (6574, 3304109), (7258, 2992727), (17299, 1255634), (33043, 657362), (34598, 627817), (66086, 328681)]