21079575

素因数分解:

$3^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{167}}^1$

素因数の和:214

約数の個数: 96

約数和(自身を含む): 44997120

約数和(自身を除く): 23917545

約数列:

[1, 3, 5, 9, 11, 15, 17, 25, 27, 33, 45, 51, 55, 75, 85, 99, 135, 153, 165, 167, 187, 225, 255, 275, 297, 425, 459, 495, 501, 561, 675, 765, 825, 835, 935, 1275, 1485, 1503, 1683, 1837, 2295, 2475, 2505, 2805, 2839, 3825, 4175, 4509, 4675, 5049, 5511, 7425, 7515, 8415, 8517, 9185, 11475, 12525, 14025, 14195, 16533, 22545, 25245, 25551, 27555, 31229, 37575, 42075, 42585, 45925, 49599, 70975, 76653, 82665, 93687, 112725, 126225, 127755, 137775, 156145, 212925, 247995, 281061, 383265, 413325, 468435, 638775, 780725, 843183, 1239975, 1405305, 1916325, 2342175, 4215915, 7026525, 21079575]

約数ペア:

[(1, 21079575), (3, 7026525), (5, 4215915), (9, 2342175), (11, 1916325), (15, 1405305), (17, 1239975), (25, 843183), (27, 780725), (33, 638775), (45, 468435), (51, 413325), (55, 383265), (75, 281061), (85, 247995), (99, 212925), (135, 156145), (153, 137775), (165, 127755), (167, 126225), (187, 112725), (225, 93687), (255, 82665), (275, 76653), (297, 70975), (425, 49599), (459, 45925), (495, 42585), (501, 42075), (561, 37575), (675, 31229), (765, 27555), (825, 25551), (835, 25245), (935, 22545), (1275, 16533), (1485, 14195), (1503, 14025), (1683, 12525), (1837, 11475), (2295, 9185), (2475, 8517), (2505, 8415), (2805, 7515), (2839, 7425), (3825, 5511), (4175, 5049), (4509, 4675)]