21289500

素因数分解:

$2^2\times 3^3\times 5^3\times {\mathrm{19}}^1\times {\mathrm{83}}^1$

素因数の和:130

約数の個数: 192

約数和(自身を含む): 73382400

約数和(自身を除く): 52092900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 25, 27, 30, 36, 38, 45, 50, 54, 57, 60, 75, 76, 83, 90, 95, 100, 108, 114, 125, 135, 150, 166, 171, 180, 190, 225, 228, 249, 250, 270, 285, 300, 332, 342, 375, 380, 415, 450, 475, 498, 500, 513, 540, 570, 675, 684, 747, 750, 830, 855, 900, 950, 996, 1026, 1125, 1140, 1245, 1350, 1425, 1494, 1500, 1577, 1660, 1710, 1900, 2052, 2075, 2241, 2250, 2375, 2490, 2565, 2700, 2850, 2988, 3154, 3375, 3420, 3735, 4150, 4275, 4482, 4500, 4731, 4750, 4980, 5130, 5700, 6225, 6308, 6750, 7125, 7470, 7885, 8300, 8550, 8964, 9462, 9500, 10260, 10375, 11205, 12450, 12825, 13500, 14193, 14250, 14940, 15770, 17100, 18675, 18924, 20750, 21375, 22410, 23655, 24900, 25650, 28386, 28500, 31125, 31540, 37350, 39425, 41500, 42579, 42750, 44820, 47310, 51300, 56025, 56772, 62250, 64125, 70965, 74700, 78850, 85158, 85500, 93375, 94620, 112050, 118275, 124500, 128250, 141930, 157700, 170316, 186750, 197125, 212895, 224100, 236550, 256500, 280125, 283860, 354825, 373500, 394250, 425790, 473100, 560250, 591375, 709650, 788500, 851580, 1064475, 1120500, 1182750, 1419300, 1774125, 2128950, 2365500, 3548250, 4257900, 5322375, 7096500, 10644750, 21289500]

約数ペア:

[(1, 21289500), (2, 10644750), (3, 7096500), (4, 5322375), (5, 4257900), (6, 3548250), (9, 2365500), (10, 2128950), (12, 1774125), (15, 1419300), (18, 1182750), (19, 1120500), (20, 1064475), (25, 851580), (27, 788500), (30, 709650), (36, 591375), (38, 560250), (45, 473100), (50, 425790), (54, 394250), (57, 373500), (60, 354825), (75, 283860), (76, 280125), (83, 256500), (90, 236550), (95, 224100), (100, 212895), (108, 197125), (114, 186750), (125, 170316), (135, 157700), (150, 141930), (166, 128250), (171, 124500), (180, 118275), (190, 112050), (225, 94620), (228, 93375), (249, 85500), (250, 85158), (270, 78850), (285, 74700), (300, 70965), (332, 64125), (342, 62250), (375, 56772), (380, 56025), (415, 51300), (450, 47310), (475, 44820), (498, 42750), (500, 42579), (513, 41500), (540, 39425), (570, 37350), (675, 31540), (684, 31125), (747, 28500), (750, 28386), (830, 25650), (855, 24900), (900, 23655), (950, 22410), (996, 21375), (1026, 20750), (1125, 18924), (1140, 18675), (1245, 17100), (1350, 15770), (1425, 14940), (1494, 14250), (1500, 14193), (1577, 13500), (1660, 12825), (1710, 12450), (1900, 11205), (2052, 10375), (2075, 10260), (2241, 9500), (2250, 9462), (2375, 8964), (2490, 8550), (2565, 8300), (2700, 7885), (2850, 7470), (2988, 7125), (3154, 6750), (3375, 6308), (3420, 6225), (3735, 5700), (4150, 5130), (4275, 4980), (4482, 4750), (4500, 4731)]