21035952

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{509}}^1$

素因数の和:571

約数の個数: 120

約数和(自身を含む): 69058080

約数和(自身を除く): 48022128

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 41, 42, 48, 56, 63, 72, 82, 84, 112, 123, 126, 144, 164, 168, 246, 252, 287, 328, 336, 369, 492, 504, 509, 574, 656, 738, 861, 984, 1008, 1018, 1148, 1476, 1527, 1722, 1968, 2036, 2296, 2583, 2952, 3054, 3444, 3563, 4072, 4581, 4592, 5166, 5904, 6108, 6888, 7126, 8144, 9162, 10332, 10689, 12216, 13776, 14252, 18324, 20664, 20869, 21378, 24432, 28504, 32067, 36648, 41328, 41738, 42756, 57008, 62607, 64134, 73296, 83476, 85512, 125214, 128268, 146083, 166952, 171024, 187821, 250428, 256536, 292166, 333904, 375642, 438249, 500856, 513072, 584332, 751284, 876498, 1001712, 1168664, 1314747, 1502568, 1752996, 2337328, 2629494, 3005136, 3505992, 5258988, 7011984, 10517976, 21035952]

約数ペア:

[(1, 21035952), (2, 10517976), (3, 7011984), (4, 5258988), (6, 3505992), (7, 3005136), (8, 2629494), (9, 2337328), (12, 1752996), (14, 1502568), (16, 1314747), (18, 1168664), (21, 1001712), (24, 876498), (28, 751284), (36, 584332), (41, 513072), (42, 500856), (48, 438249), (56, 375642), (63, 333904), (72, 292166), (82, 256536), (84, 250428), (112, 187821), (123, 171024), (126, 166952), (144, 146083), (164, 128268), (168, 125214), (246, 85512), (252, 83476), (287, 73296), (328, 64134), (336, 62607), (369, 57008), (492, 42756), (504, 41738), (509, 41328), (574, 36648), (656, 32067), (738, 28504), (861, 24432), (984, 21378), (1008, 20869), (1018, 20664), (1148, 18324), (1476, 14252), (1527, 13776), (1722, 12216), (1968, 10689), (2036, 10332), (2296, 9162), (2583, 8144), (2952, 7126), (3054, 6888), (3444, 6108), (3563, 5904), (4072, 5166), (4581, 4592)]