21521301984

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{821173}}^1$

素因数の和:821209

約数の個数: 144

約数和(自身を含む): 75324648672

約数和(自身を除く): 53803346688

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 16, 18, 21, 24, 26, 28, 32, 36, 39, 42, 48, 52, 56, 63, 72, 78, 84, 91, 96, 104, 112, 117, 126, 144, 156, 168, 182, 208, 224, 234, 252, 273, 288, 312, 336, 364, 416, 468, 504, 546, 624, 672, 728, 819, 936, 1008, 1092, 1248, 1456, 1638, 1872, 2016, 2184, 2912, 3276, 3744, 4368, 6552, 8736, 13104, 26208, 821173, 1642346, 2463519, 3284692, 4927038, 5748211, 6569384, 7390557, 9854076, 10675249, 11496422, 13138768, 14781114, 17244633, 19708152, 21350498, 22992844, 26277536, 29562228, 32025747, 34489266, 39416304, 42700996, 45985688, 51733899, 59124456, 64051494, 68978532, 74726743, 78832608, 85401992, 91971376, 96077241, 103467798, 118248912, 128102988, 137957064, 149453486, 170803984, 183942752, 192154482, 206935596, 224180229, 236497824, 256205976, 275914128, 298906972, 341607968, 384308964, 413871192, 448360458, 512411952, 551828256, 597813944, 672540687, 768617928, 827742384, 896720916, 1024823904, 1195627888, 1345081374, 1537235856, 1655484768, 1793441832, 2391255776, 2690162748, 3074471712, 3586883664, 5380325496, 7173767328, 10760650992, 21521301984]

約数ペア:

[(1, 21521301984), (2, 10760650992), (3, 7173767328), (4, 5380325496), (6, 3586883664), (7, 3074471712), (8, 2690162748), (9, 2391255776), (12, 1793441832), (13, 1655484768), (14, 1537235856), (16, 1345081374), (18, 1195627888), (21, 1024823904), (24, 896720916), (26, 827742384), (28, 768617928), (32, 672540687), (36, 597813944), (39, 551828256), (42, 512411952), (48, 448360458), (52, 413871192), (56, 384308964), (63, 341607968), (72, 298906972), (78, 275914128), (84, 256205976), (91, 236497824), (96, 224180229), (104, 206935596), (112, 192154482), (117, 183942752), (126, 170803984), (144, 149453486), (156, 137957064), (168, 128102988), (182, 118248912), (208, 103467798), (224, 96077241), (234, 91971376), (252, 85401992), (273, 78832608), (288, 74726743), (312, 68978532), (336, 64051494), (364, 59124456), (416, 51733899), (468, 45985688), (504, 42700996), (546, 39416304), (624, 34489266), (672, 32025747), (728, 29562228), (819, 26277536), (936, 22992844), (1008, 21350498), (1092, 19708152), (1248, 17244633), (1456, 14781114), (1638, 13138768), (1872, 11496422), (2016, 10675249), (2184, 9854076), (2912, 7390557), (3276, 6569384), (3744, 5748211), (4368, 4927038), (6552, 3284692), (8736, 2463519), (13104, 1642346), (26208, 821173)]