21757890546

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{563}}^1\times {\mathrm{5381}}^1$

素因数の和:5981

約数の個数: 128

約数和(自身を含む): 58280601600

約数和(自身を除く): 36522711054

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 27, 38, 42, 54, 57, 63, 114, 126, 133, 171, 189, 266, 342, 378, 399, 513, 563, 798, 1026, 1126, 1197, 1689, 2394, 3378, 3591, 3941, 5067, 5381, 7182, 7882, 10134, 10697, 10762, 11823, 15201, 16143, 21394, 23646, 30402, 32091, 32286, 35469, 37667, 48429, 64182, 70938, 74879, 75334, 96273, 96858, 102239, 106407, 113001, 145287, 149758, 192546, 204478, 212814, 224637, 226002, 288819, 290574, 306717, 339003, 449274, 577638, 613434, 673911, 678006, 715673, 920151, 1017009, 1347822, 1431346, 1840302, 2021733, 2034018, 2147019, 2760453, 3029503, 4043466, 4294038, 5520906, 6059006, 6441057, 9088509, 12882114, 18177018, 19323171, 21206521, 27265527, 38646342, 42413042, 54531054, 57560557, 63619563, 81796581, 115121114, 127239126, 163593162, 172681671, 190858689, 345363342, 381717378, 402923899, 518045013, 572576067, 805847798, 1036090026, 1145152134, 1208771697, 1554135039, 2417543394, 3108270078, 3626315091, 7252630182, 10878945273, 21757890546]

約数ペア:

[(1, 21757890546), (2, 10878945273), (3, 7252630182), (6, 3626315091), (7, 3108270078), (9, 2417543394), (14, 1554135039), (18, 1208771697), (19, 1145152134), (21, 1036090026), (27, 805847798), (38, 572576067), (42, 518045013), (54, 402923899), (57, 381717378), (63, 345363342), (114, 190858689), (126, 172681671), (133, 163593162), (171, 127239126), (189, 115121114), (266, 81796581), (342, 63619563), (378, 57560557), (399, 54531054), (513, 42413042), (563, 38646342), (798, 27265527), (1026, 21206521), (1126, 19323171), (1197, 18177018), (1689, 12882114), (2394, 9088509), (3378, 6441057), (3591, 6059006), (3941, 5520906), (5067, 4294038), (5381, 4043466), (7182, 3029503), (7882, 2760453), (10134, 2147019), (10697, 2034018), (10762, 2021733), (11823, 1840302), (15201, 1431346), (16143, 1347822), (21394, 1017009), (23646, 920151), (30402, 715673), (32091, 678006), (32286, 673911), (35469, 613434), (37667, 577638), (48429, 449274), (64182, 339003), (70938, 306717), (74879, 290574), (75334, 288819), (96273, 226002), (96858, 224637), (102239, 212814), (106407, 204478), (113001, 192546), (145287, 149758)]