21167809936

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2543}}^1\times {\mathrm{5717}}^1$

素因数の和:8288

約数の個数: 80

約数和(自身を含む): 50505767424

約数和(自身を除く): 29337957488

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 2543, 5086, 5717, 10172, 11434, 17801, 20344, 22868, 33059, 35602, 40019, 40688, 45736, 66118, 71204, 74321, 80038, 91472, 132236, 142408, 148642, 160076, 231413, 264472, 284816, 297284, 320152, 462826, 520247, 528944, 594568, 640304, 925652, 1040494, 1189136, 1851304, 2080988, 3702608, 4161976, 8323952, 14538331, 29076662, 58153324, 101768317, 116306648, 188998303, 203536634, 232613296, 377996606, 407073268, 755993212, 814146536, 1322988121, 1511986424, 1628293072, 2645976242, 3023972848, 5291952484, 10583904968, 21167809936]

約数ペア:

[(1, 21167809936), (2, 10583904968), (4, 5291952484), (7, 3023972848), (8, 2645976242), (13, 1628293072), (14, 1511986424), (16, 1322988121), (26, 814146536), (28, 755993212), (52, 407073268), (56, 377996606), (91, 232613296), (104, 203536634), (112, 188998303), (182, 116306648), (208, 101768317), (364, 58153324), (728, 29076662), (1456, 14538331), (2543, 8323952), (5086, 4161976), (5717, 3702608), (10172, 2080988), (11434, 1851304), (17801, 1189136), (20344, 1040494), (22868, 925652), (33059, 640304), (35602, 594568), (40019, 528944), (40688, 520247), (45736, 462826), (66118, 320152), (71204, 297284), (74321, 284816), (80038, 264472), (91472, 231413), (132236, 160076), (142408, 148642)]