21497639265

素因数分解:

$3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2767}}^1\times {\mathrm{4211}}^1$

素因数の和:7030

約数の個数: 48

約数和(自身を含む): 38194281216

約数和(自身を除く): 16696641951

約数列:

[1, 3, 5, 9, 15, 41, 45, 123, 205, 369, 615, 1845, 2767, 4211, 8301, 12633, 13835, 21055, 24903, 37899, 41505, 63165, 113447, 124515, 172651, 189495, 340341, 517953, 567235, 863255, 1021023, 1553859, 1701705, 2589765, 5105115, 7769295, 11651837, 34955511, 58259185, 104866533, 174777555, 477725317, 524332665, 1433175951, 2388626585, 4299527853, 7165879755, 21497639265]

約数ペア:

[(1, 21497639265), (3, 7165879755), (5, 4299527853), (9, 2388626585), (15, 1433175951), (41, 524332665), (45, 477725317), (123, 174777555), (205, 104866533), (369, 58259185), (615, 34955511), (1845, 11651837), (2767, 7769295), (4211, 5105115), (8301, 2589765), (12633, 1701705), (13835, 1553859), (21055, 1021023), (24903, 863255), (37899, 567235), (41505, 517953), (63165, 340341), (113447, 189495), (124515, 172651)]