21597868875

素因数分解:

$3^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{6553}}^1$

素因数の和:6646

約数の個数: 128

約数和(自身を含む): 42401968128

約数和(自身を除く): 20804099253

約数列:

[1, 3, 5, 11, 15, 17, 25, 33, 47, 51, 55, 75, 85, 125, 141, 165, 187, 235, 255, 275, 375, 425, 517, 561, 705, 799, 825, 935, 1175, 1275, 1375, 1551, 2125, 2397, 2585, 2805, 3525, 3995, 4125, 4675, 5875, 6375, 6553, 7755, 8789, 11985, 12925, 14025, 17625, 19659, 19975, 23375, 26367, 32765, 38775, 43945, 59925, 64625, 70125, 72083, 98295, 99875, 111401, 131835, 163825, 193875, 216249, 219725, 299625, 307991, 334203, 360415, 491475, 557005, 659175, 819125, 923973, 1081245, 1098625, 1225411, 1539955, 1671015, 1802075, 2457375, 2785025, 3295875, 3387901, 3676233, 4619865, 5235847, 5406225, 6127055, 7699775, 8355075, 9010375, 10163703, 13925125, 15707541, 16939505, 18381165, 23099325, 26179235, 27031125, 30635275, 38498875, 41775375, 50818515, 57594317, 78537705, 84697525, 91905825, 115496625, 130896175, 153176375, 172782951, 254092575, 287971585, 392688525, 423487625, 459529125, 654480875, 863914755, 1270462875, 1439857925, 1963442625, 4319573775, 7199289625, 21597868875]

約数ペア:

[(1, 21597868875), (3, 7199289625), (5, 4319573775), (11, 1963442625), (15, 1439857925), (17, 1270462875), (25, 863914755), (33, 654480875), (47, 459529125), (51, 423487625), (55, 392688525), (75, 287971585), (85, 254092575), (125, 172782951), (141, 153176375), (165, 130896175), (187, 115496625), (235, 91905825), (255, 84697525), (275, 78537705), (375, 57594317), (425, 50818515), (517, 41775375), (561, 38498875), (705, 30635275), (799, 27031125), (825, 26179235), (935, 23099325), (1175, 18381165), (1275, 16939505), (1375, 15707541), (1551, 13925125), (2125, 10163703), (2397, 9010375), (2585, 8355075), (2805, 7699775), (3525, 6127055), (3995, 5406225), (4125, 5235847), (4675, 4619865), (5875, 3676233), (6375, 3387901), (6553, 3295875), (7755, 2785025), (8789, 2457375), (11985, 1802075), (12925, 1671015), (14025, 1539955), (17625, 1225411), (19659, 1098625), (19975, 1081245), (23375, 923973), (26367, 819125), (32765, 659175), (38775, 557005), (43945, 491475), (59925, 360415), (64625, 334203), (70125, 307991), (72083, 299625), (98295, 219725), (99875, 216249), (111401, 193875), (131835, 163825)]