21229126875

素因数分解:

$3^2\times 5^4\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1$

素因数の和:260

約数の個数: 240

約数和(自身を含む): 43743997440

約数和(自身を除く): 22514870565

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 43, 45, 55, 75, 79, 99, 101, 125, 129, 165, 215, 225, 237, 275, 303, 375, 387, 395, 473, 495, 505, 625, 645, 711, 825, 869, 909, 1075, 1111, 1125, 1185, 1375, 1419, 1515, 1875, 1935, 1975, 2365, 2475, 2525, 2607, 3225, 3333, 3397, 3555, 4125, 4257, 4343, 4345, 4545, 5375, 5555, 5625, 5925, 6875, 7095, 7575, 7821, 7979, 9675, 9875, 9999, 10191, 11825, 12375, 12625, 13029, 13035, 16125, 16665, 16985, 17775, 20625, 21285, 21715, 21725, 22725, 23937, 26875, 27775, 29625, 30573, 35475, 37367, 37875, 39087, 39105, 39895, 47773, 48375, 49375, 49995, 50955, 59125, 61875, 63125, 65145, 65175, 71811, 80625, 83325, 84925, 87769, 88875, 106425, 108575, 108625, 112101, 113625, 119685, 138875, 143319, 148125, 152865, 177375, 186835, 189375, 195435, 195525, 199475, 238865, 241875, 249975, 254775, 263307, 295625, 325725, 325875, 336303, 343097, 359055, 416625, 424625, 429957, 438845, 444375, 532125, 542875, 543125, 560505, 568125, 598425, 694375, 716595, 764325, 789921, 886875, 934175, 977175, 977625, 997375, 1029291, 1194325, 1249875, 1273875, 1316535, 1628625, 1629375, 1681515, 1715485, 1795275, 2083125, 2123125, 2149785, 2194225, 2660625, 2714375, 2802525, 2992125, 3087873, 3582975, 3774067, 3821625, 3949605, 4670875, 4885875, 4888125, 4986875, 5146455, 5971625, 6249375, 6369375, 6582675, 8143125, 8407575, 8577425, 8976375, 10748925, 10971125, 11322201, 14012625, 14960625, 15439365, 17914875, 18870335, 19108125, 19748025, 23354375, 24429375, 25732275, 29858125, 32913375, 33966603, 42037875, 42887125, 44881875, 53744625, 54855625, 56611005, 70063125, 77196825, 89574375, 94351675, 98740125, 128661375, 164566875, 169833015, 210189375, 214435625, 268723125, 283055025, 385984125, 471758375, 493700625, 643306875, 849165075, 1415275125, 1929920625, 2358791875, 4245825375, 7076375625, 21229126875]

約数ペア:

[(1, 21229126875), (3, 7076375625), (5, 4245825375), (9, 2358791875), (11, 1929920625), (15, 1415275125), (25, 849165075), (33, 643306875), (43, 493700625), (45, 471758375), (55, 385984125), (75, 283055025), (79, 268723125), (99, 214435625), (101, 210189375), (125, 169833015), (129, 164566875), (165, 128661375), (215, 98740125), (225, 94351675), (237, 89574375), (275, 77196825), (303, 70063125), (375, 56611005), (387, 54855625), (395, 53744625), (473, 44881875), (495, 42887125), (505, 42037875), (625, 33966603), (645, 32913375), (711, 29858125), (825, 25732275), (869, 24429375), (909, 23354375), (1075, 19748025), (1111, 19108125), (1125, 18870335), (1185, 17914875), (1375, 15439365), (1419, 14960625), (1515, 14012625), (1875, 11322201), (1935, 10971125), (1975, 10748925), (2365, 8976375), (2475, 8577425), (2525, 8407575), (2607, 8143125), (3225, 6582675), (3333, 6369375), (3397, 6249375), (3555, 5971625), (4125, 5146455), (4257, 4986875), (4343, 4888125), (4345, 4885875), (4545, 4670875), (5375, 3949605), (5555, 3821625), (5625, 3774067), (5925, 3582975), (6875, 3087873), (7095, 2992125), (7575, 2802525), (7821, 2714375), (7979, 2660625), (9675, 2194225), (9875, 2149785), (9999, 2123125), (10191, 2083125), (11825, 1795275), (12375, 1715485), (12625, 1681515), (13029, 1629375), (13035, 1628625), (16125, 1316535), (16665, 1273875), (16985, 1249875), (17775, 1194325), (20625, 1029291), (21285, 997375), (21715, 977625), (21725, 977175), (22725, 934175), (23937, 886875), (26875, 789921), (27775, 764325), (29625, 716595), (30573, 694375), (35475, 598425), (37367, 568125), (37875, 560505), (39087, 543125), (39105, 542875), (39895, 532125), (47773, 444375), (48375, 438845), (49375, 429957), (49995, 424625), (50955, 416625), (59125, 359055), (61875, 343097), (63125, 336303), (65145, 325875), (65175, 325725), (71811, 295625), (80625, 263307), (83325, 254775), (84925, 249975), (87769, 241875), (88875, 238865), (106425, 199475), (108575, 195525), (108625, 195435), (112101, 189375), (113625, 186835), (119685, 177375), (138875, 152865), (143319, 148125)]