21384792

素因数分解:

$2^3\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1$

素因数の和:134

約数の個数: 192

約数和(自身を含む): 71285760

約数和(自身を除く): 49900968

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 13, 18, 22, 24, 26, 31, 33, 36, 39, 44, 52, 62, 66, 67, 72, 78, 88, 93, 99, 104, 117, 124, 132, 134, 143, 156, 186, 198, 201, 234, 248, 264, 268, 279, 286, 312, 341, 372, 396, 402, 403, 429, 468, 536, 558, 572, 603, 682, 737, 744, 792, 804, 806, 858, 871, 936, 1023, 1116, 1144, 1206, 1209, 1287, 1364, 1474, 1608, 1612, 1716, 1742, 2046, 2077, 2211, 2232, 2412, 2418, 2574, 2613, 2728, 2948, 3069, 3224, 3432, 3484, 3627, 4092, 4154, 4422, 4433, 4824, 4836, 5148, 5226, 5896, 6138, 6231, 6633, 6968, 7254, 7839, 8184, 8308, 8844, 8866, 9581, 9672, 10296, 10452, 12276, 12462, 13266, 13299, 14508, 15678, 16616, 17688, 17732, 18693, 19162, 20904, 22847, 24552, 24924, 26532, 26598, 27001, 28743, 29016, 31356, 35464, 37386, 38324, 39897, 45694, 49848, 53064, 53196, 54002, 57486, 62712, 68541, 74772, 76648, 79794, 81003, 86229, 91388, 106392, 108004, 114972, 137082, 149544, 159588, 162006, 172458, 182776, 205623, 216008, 229944, 243009, 274164, 297011, 319176, 324012, 344916, 411246, 486018, 548328, 594022, 648024, 689832, 822492, 891033, 972036, 1188044, 1644984, 1782066, 1944072, 2376088, 2673099, 3564132, 5346198, 7128264, 10692396, 21384792]

約数ペア:

[(1, 21384792), (2, 10692396), (3, 7128264), (4, 5346198), (6, 3564132), (8, 2673099), (9, 2376088), (11, 1944072), (12, 1782066), (13, 1644984), (18, 1188044), (22, 972036), (24, 891033), (26, 822492), (31, 689832), (33, 648024), (36, 594022), (39, 548328), (44, 486018), (52, 411246), (62, 344916), (66, 324012), (67, 319176), (72, 297011), (78, 274164), (88, 243009), (93, 229944), (99, 216008), (104, 205623), (117, 182776), (124, 172458), (132, 162006), (134, 159588), (143, 149544), (156, 137082), (186, 114972), (198, 108004), (201, 106392), (234, 91388), (248, 86229), (264, 81003), (268, 79794), (279, 76648), (286, 74772), (312, 68541), (341, 62712), (372, 57486), (396, 54002), (402, 53196), (403, 53064), (429, 49848), (468, 45694), (536, 39897), (558, 38324), (572, 37386), (603, 35464), (682, 31356), (737, 29016), (744, 28743), (792, 27001), (804, 26598), (806, 26532), (858, 24924), (871, 24552), (936, 22847), (1023, 20904), (1116, 19162), (1144, 18693), (1206, 17732), (1209, 17688), (1287, 16616), (1364, 15678), (1474, 14508), (1608, 13299), (1612, 13266), (1716, 12462), (1742, 12276), (2046, 10452), (2077, 10296), (2211, 9672), (2232, 9581), (2412, 8866), (2418, 8844), (2574, 8308), (2613, 8184), (2728, 7839), (2948, 7254), (3069, 6968), (3224, 6633), (3432, 6231), (3484, 6138), (3627, 5896), (4092, 5226), (4154, 5148), (4422, 4836), (4433, 4824)]