21362040

素因数分解:

$2^3\times 3^2\times 5^1\times 7^3\times {\mathrm{173}}^1$

素因数の和:211

約数の個数: 192

約数和(自身を含む): 81432000

約数和(自身を除く): 60069960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 49, 56, 60, 63, 70, 72, 84, 90, 98, 105, 120, 126, 140, 147, 168, 173, 180, 196, 210, 245, 252, 280, 294, 315, 343, 346, 360, 392, 420, 441, 490, 504, 519, 588, 630, 686, 692, 735, 840, 865, 882, 980, 1029, 1038, 1176, 1211, 1260, 1372, 1384, 1470, 1557, 1715, 1730, 1764, 1960, 2058, 2076, 2205, 2422, 2520, 2595, 2744, 2940, 3087, 3114, 3430, 3460, 3528, 3633, 4116, 4152, 4410, 4844, 5145, 5190, 5880, 6055, 6174, 6228, 6860, 6920, 7266, 7785, 8232, 8477, 8820, 9688, 10290, 10380, 10899, 12110, 12348, 12456, 13720, 14532, 15435, 15570, 16954, 17640, 18165, 20580, 20760, 21798, 24220, 24696, 25431, 29064, 30870, 31140, 33908, 36330, 41160, 42385, 43596, 48440, 50862, 54495, 59339, 61740, 62280, 67816, 72660, 76293, 84770, 87192, 101724, 108990, 118678, 123480, 127155, 145320, 152586, 169540, 178017, 203448, 217980, 237356, 254310, 296695, 305172, 339080, 356034, 381465, 435960, 474712, 508620, 534051, 593390, 610344, 712068, 762930, 890085, 1017240, 1068102, 1186780, 1424136, 1525860, 1780170, 2136204, 2373560, 2670255, 3051720, 3560340, 4272408, 5340510, 7120680, 10681020, 21362040]

約数ペア:

[(1, 21362040), (2, 10681020), (3, 7120680), (4, 5340510), (5, 4272408), (6, 3560340), (7, 3051720), (8, 2670255), (9, 2373560), (10, 2136204), (12, 1780170), (14, 1525860), (15, 1424136), (18, 1186780), (20, 1068102), (21, 1017240), (24, 890085), (28, 762930), (30, 712068), (35, 610344), (36, 593390), (40, 534051), (42, 508620), (45, 474712), (49, 435960), (56, 381465), (60, 356034), (63, 339080), (70, 305172), (72, 296695), (84, 254310), (90, 237356), (98, 217980), (105, 203448), (120, 178017), (126, 169540), (140, 152586), (147, 145320), (168, 127155), (173, 123480), (180, 118678), (196, 108990), (210, 101724), (245, 87192), (252, 84770), (280, 76293), (294, 72660), (315, 67816), (343, 62280), (346, 61740), (360, 59339), (392, 54495), (420, 50862), (441, 48440), (490, 43596), (504, 42385), (519, 41160), (588, 36330), (630, 33908), (686, 31140), (692, 30870), (735, 29064), (840, 25431), (865, 24696), (882, 24220), (980, 21798), (1029, 20760), (1038, 20580), (1176, 18165), (1211, 17640), (1260, 16954), (1372, 15570), (1384, 15435), (1470, 14532), (1557, 13720), (1715, 12456), (1730, 12348), (1764, 12110), (1960, 10899), (2058, 10380), (2076, 10290), (2205, 9688), (2422, 8820), (2520, 8477), (2595, 8232), (2744, 7785), (2940, 7266), (3087, 6920), (3114, 6860), (3430, 6228), (3460, 6174), (3528, 6055), (3633, 5880), (4116, 5190), (4152, 5145), (4410, 4844)]