21218302875

素因数分解:

$3^1\times 5^3\times 7^1\times {\mathrm{11}}^3\times {\mathrm{6073}}^1$

素因数の和:6131

約数の個数: 128

約数和(自身を含む): 44390541312

約数和(自身を除く): 23172238437

約数列:

[1, 3, 5, 7, 11, 15, 21, 25, 33, 35, 55, 75, 77, 105, 121, 125, 165, 175, 231, 275, 363, 375, 385, 525, 605, 825, 847, 875, 1155, 1331, 1375, 1815, 1925, 2541, 2625, 3025, 3993, 4125, 4235, 5775, 6073, 6655, 9075, 9317, 9625, 12705, 15125, 18219, 19965, 21175, 27951, 28875, 30365, 33275, 42511, 45375, 46585, 63525, 66803, 91095, 99825, 105875, 127533, 139755, 151825, 166375, 200409, 212555, 232925, 317625, 334015, 455475, 467621, 499125, 637665, 698775, 734833, 759125, 1002045, 1062775, 1164625, 1402863, 1670075, 2204499, 2277375, 2338105, 3188325, 3493875, 3674165, 5010225, 5143831, 5313875, 7014315, 8083163, 8350375, 11022495, 11690525, 15431493, 15941625, 18370825, 24249489, 25051125, 25719155, 35071575, 40415815, 55112475, 56582141, 58452625, 77157465, 91854125, 121247445, 128595775, 169746423, 175357875, 202079075, 275562375, 282910705, 385787325, 606237225, 642978875, 848732115, 1010395375, 1414553525, 1928936625, 3031186125, 4243660575, 7072767625, 21218302875]

約数ペア:

[(1, 21218302875), (3, 7072767625), (5, 4243660575), (7, 3031186125), (11, 1928936625), (15, 1414553525), (21, 1010395375), (25, 848732115), (33, 642978875), (35, 606237225), (55, 385787325), (75, 282910705), (77, 275562375), (105, 202079075), (121, 175357875), (125, 169746423), (165, 128595775), (175, 121247445), (231, 91854125), (275, 77157465), (363, 58452625), (375, 56582141), (385, 55112475), (525, 40415815), (605, 35071575), (825, 25719155), (847, 25051125), (875, 24249489), (1155, 18370825), (1331, 15941625), (1375, 15431493), (1815, 11690525), (1925, 11022495), (2541, 8350375), (2625, 8083163), (3025, 7014315), (3993, 5313875), (4125, 5143831), (4235, 5010225), (5775, 3674165), (6073, 3493875), (6655, 3188325), (9075, 2338105), (9317, 2277375), (9625, 2204499), (12705, 1670075), (15125, 1402863), (18219, 1164625), (19965, 1062775), (21175, 1002045), (27951, 759125), (28875, 734833), (30365, 698775), (33275, 637665), (42511, 499125), (45375, 467621), (46585, 455475), (63525, 334015), (66803, 317625), (91095, 232925), (99825, 212555), (105875, 200409), (127533, 166375), (139755, 151825)]